/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 00:13:12,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:13:12,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:13:12,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:13:12,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:13:12,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:13:12,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:13:12,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:13:12,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:13:12,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:13:12,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:13:12,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:13:12,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:13:12,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:13:12,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:13:12,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:13:12,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:13:12,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:13:12,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:13:12,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:13:12,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:13:12,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:13:12,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:13:12,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:13:12,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:13:12,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:13:12,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:13:12,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:13:12,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:13:12,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:13:12,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:13:12,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:13:12,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:13:12,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:13:12,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:13:12,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:13:12,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:13:12,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:13:12,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:13:12,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:13:12,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:13:12,988 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 00:13:13,043 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:13:13,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:13:13,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:13:13,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:13:13,048 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:13:13,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:13:13,049 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:13:13,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:13:13,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:13:13,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:13:13,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:13:13,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:13:13,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:13:13,051 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:13:13,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:13:13,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:13:13,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:13:13,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:13:13,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:13:13,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:13:13,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:13:13,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:13:13,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:13:13,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:13:13,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:13:13,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:13:13,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:13:13,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:13:13,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:13:13,055 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:13:13,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:13:13,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:13:13,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:13:13,379 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:13:13,380 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:13:13,380 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-14 00:13:13,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31e5cc78e/bace8ab4f2b74181874806e15013f22c/FLAG83bd687d6 [2020-10-14 00:13:13,961 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:13:13,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-14 00:13:13,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31e5cc78e/bace8ab4f2b74181874806e15013f22c/FLAG83bd687d6 [2020-10-14 00:13:14,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31e5cc78e/bace8ab4f2b74181874806e15013f22c [2020-10-14 00:13:14,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:13:14,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:13:14,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:13:14,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:13:14,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:13:14,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c15e6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14, skipping insertion in model container [2020-10-14 00:13:14,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:13:14,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:13:14,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:13:14,601 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:13:14,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:13:14,777 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:13:14,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14 WrapperNode [2020-10-14 00:13:14,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:13:14,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:13:14,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:13:14,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:13:14,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (1/1) ... [2020-10-14 00:13:14,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:13:14,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:13:14,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:13:14,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:13:14,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (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 00:13:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:13:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:13:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 00:13:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:13:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:13:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 00:13:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 00:13:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:13:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 00:13:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 00:13:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:13:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:13:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:13:15,106 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 00:13:15,681 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 00:13:15,681 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 00:13:15,693 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:13:15,694 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:13:15,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:15 BoogieIcfgContainer [2020-10-14 00:13:15,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:13:15,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:13:15,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:13:15,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:13:15,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:13:14" (1/3) ... [2020-10-14 00:13:15,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a6c101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:15, skipping insertion in model container [2020-10-14 00:13:15,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:14" (2/3) ... [2020-10-14 00:13:15,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a6c101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:15, skipping insertion in model container [2020-10-14 00:13:15,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:15" (3/3) ... [2020-10-14 00:13:15,720 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-10-14 00:13:15,733 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:13:15,748 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:13:15,764 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:13:15,802 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:13:15,802 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:13:15,802 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:13:15,803 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:13:15,803 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:13:15,803 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:13:15,803 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:13:15,803 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:13:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-10-14 00:13:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 00:13:15,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:15,852 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 00:13:15,853 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash -948982516, now seen corresponding path program 1 times [2020-10-14 00:13:15,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:15,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580127498] [2020-10-14 00:13:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:16,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:16,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 00:13:16,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-14 00:13:16,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:16,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:16,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:16,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 00:13:16,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 00:13:16,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:13:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:16,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:16,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:16,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:16,556 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 00:13:16,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580127498] [2020-10-14 00:13:16,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:16,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:16,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179508859] [2020-10-14 00:13:16,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:16,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:16,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:16,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:16,584 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-10-14 00:13:16,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:16,709 INFO L93 Difference]: Finished difference Result 411 states and 699 transitions. [2020-10-14 00:13:16,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:16,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 00:13:16,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:16,727 INFO L225 Difference]: With dead ends: 411 [2020-10-14 00:13:16,727 INFO L226 Difference]: Without dead ends: 247 [2020-10-14 00:13:16,732 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 00:13:16,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-14 00:13:16,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-10-14 00:13:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-14 00:13:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 377 transitions. [2020-10-14 00:13:16,802 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 377 transitions. Word has length 49 [2020-10-14 00:13:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:16,802 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 377 transitions. [2020-10-14 00:13:16,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 377 transitions. [2020-10-14 00:13:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 00:13:16,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:16,807 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 00:13:16,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:13:16,808 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:16,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:16,808 INFO L82 PathProgramCache]: Analyzing trace with hash 151055847, now seen corresponding path program 1 times [2020-10-14 00:13:16,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:16,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479012309] [2020-10-14 00:13:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:16,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 00:13:16,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 00:13:16,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:16,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 00:13:16,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 00:13:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:17,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:17,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:17,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:17,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:17,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:17,017 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 00:13:17,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479012309] [2020-10-14 00:13:17,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:17,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:17,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457467737] [2020-10-14 00:13:17,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:17,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:17,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:17,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:17,021 INFO L87 Difference]: Start difference. First operand 247 states and 377 transitions. Second operand 3 states. [2020-10-14 00:13:17,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:17,080 INFO L93 Difference]: Finished difference Result 481 states and 742 transitions. [2020-10-14 00:13:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:17,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 00:13:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:17,085 INFO L225 Difference]: With dead ends: 481 [2020-10-14 00:13:17,085 INFO L226 Difference]: Without dead ends: 363 [2020-10-14 00:13:17,087 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 00:13:17,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-14 00:13:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2020-10-14 00:13:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-14 00:13:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 555 transitions. [2020-10-14 00:13:17,117 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 555 transitions. Word has length 65 [2020-10-14 00:13:17,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:17,117 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 555 transitions. [2020-10-14 00:13:17,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 555 transitions. [2020-10-14 00:13:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 00:13:17,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:17,123 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 00:13:17,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:13:17,124 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:17,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:17,125 INFO L82 PathProgramCache]: Analyzing trace with hash 607245306, now seen corresponding path program 1 times [2020-10-14 00:13:17,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:17,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611150493] [2020-10-14 00:13:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:17,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 00:13:17,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-14 00:13:17,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:17,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 00:13:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 00:13:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:17,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:13:17,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:17,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:17,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:17,492 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 00:13:17,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611150493] [2020-10-14 00:13:17,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:17,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:17,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013350716] [2020-10-14 00:13:17,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:17,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:17,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:17,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:17,497 INFO L87 Difference]: Start difference. First operand 363 states and 555 transitions. Second operand 3 states. [2020-10-14 00:13:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:17,581 INFO L93 Difference]: Finished difference Result 713 states and 1098 transitions. [2020-10-14 00:13:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:17,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 00:13:17,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:17,585 INFO L225 Difference]: With dead ends: 713 [2020-10-14 00:13:17,585 INFO L226 Difference]: Without dead ends: 479 [2020-10-14 00:13:17,588 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 00:13:17,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-10-14 00:13:17,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2020-10-14 00:13:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-10-14 00:13:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 734 transitions. [2020-10-14 00:13:17,632 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 734 transitions. Word has length 86 [2020-10-14 00:13:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:17,633 INFO L479 AbstractCegarLoop]: Abstraction has 479 states and 734 transitions. [2020-10-14 00:13:17,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 734 transitions. [2020-10-14 00:13:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 00:13:17,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:17,643 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 00:13:17,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:13:17,644 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:17,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:17,645 INFO L82 PathProgramCache]: Analyzing trace with hash 320501393, now seen corresponding path program 1 times [2020-10-14 00:13:17,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:17,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124596795] [2020-10-14 00:13:17,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:17,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:17,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 00:13:17,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 00:13:17,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:17,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 00:13:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 00:13:17,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:17,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:17,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:17,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:17,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:17,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:17,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:17,825 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 00:13:17,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124596795] [2020-10-14 00:13:17,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:17,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:17,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713690299] [2020-10-14 00:13:17,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:17,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:17,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:17,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:17,828 INFO L87 Difference]: Start difference. First operand 479 states and 734 transitions. Second operand 3 states. [2020-10-14 00:13:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:17,882 INFO L93 Difference]: Finished difference Result 597 states and 917 transitions. [2020-10-14 00:13:17,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:17,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-14 00:13:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:17,887 INFO L225 Difference]: With dead ends: 597 [2020-10-14 00:13:17,887 INFO L226 Difference]: Without dead ends: 595 [2020-10-14 00:13:17,888 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 00:13:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-14 00:13:17,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2020-10-14 00:13:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-14 00:13:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 914 transitions. [2020-10-14 00:13:17,911 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 914 transitions. Word has length 126 [2020-10-14 00:13:17,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:17,927 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 914 transitions. [2020-10-14 00:13:17,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 914 transitions. [2020-10-14 00:13:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 00:13:17,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:17,931 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:17,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:13:17,931 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:17,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1311281603, now seen corresponding path program 1 times [2020-10-14 00:13:17,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:17,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071512773] [2020-10-14 00:13:17,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:17,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:18,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 00:13:18,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:13:18,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 00:13:18,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:18,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-14 00:13:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 00:13:18,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:18,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:18,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:18,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:18,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:18,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:18,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 00:13:18,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071512773] [2020-10-14 00:13:18,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:18,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:18,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756662826] [2020-10-14 00:13:18,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:18,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:18,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:18,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:18,200 INFO L87 Difference]: Start difference. First operand 595 states and 914 transitions. Second operand 3 states. [2020-10-14 00:13:18,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:18,549 INFO L93 Difference]: Finished difference Result 1397 states and 2221 transitions. [2020-10-14 00:13:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:18,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-14 00:13:18,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:18,555 INFO L225 Difference]: With dead ends: 1397 [2020-10-14 00:13:18,556 INFO L226 Difference]: Without dead ends: 590 [2020-10-14 00:13:18,558 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 00:13:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-14 00:13:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2020-10-14 00:13:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 00:13:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 899 transitions. [2020-10-14 00:13:18,581 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 899 transitions. Word has length 164 [2020-10-14 00:13:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:18,582 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 899 transitions. [2020-10-14 00:13:18,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 899 transitions. [2020-10-14 00:13:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 00:13:18,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:18,586 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:18,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:13:18,586 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:18,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:18,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1063135109, now seen corresponding path program 1 times [2020-10-14 00:13:18,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:18,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779862449] [2020-10-14 00:13:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:18,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:18,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 00:13:18,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 00:13:18,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:18,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:13:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 00:13:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:18,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:18,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:18,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:18,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:18,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:18,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:18,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:18,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-14 00:13:18,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779862449] [2020-10-14 00:13:18,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:18,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:19,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663854020] [2020-10-14 00:13:19,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:19,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:19,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:19,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:19,001 INFO L87 Difference]: Start difference. First operand 590 states and 899 transitions. Second operand 3 states. [2020-10-14 00:13:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:19,047 INFO L93 Difference]: Finished difference Result 1739 states and 2658 transitions. [2020-10-14 00:13:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:19,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-14 00:13:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:19,072 INFO L225 Difference]: With dead ends: 1739 [2020-10-14 00:13:19,072 INFO L226 Difference]: Without dead ends: 702 [2020-10-14 00:13:19,074 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 00:13:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-10-14 00:13:19,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 700. [2020-10-14 00:13:19,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-14 00:13:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1057 transitions. [2020-10-14 00:13:19,094 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1057 transitions. Word has length 164 [2020-10-14 00:13:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:19,095 INFO L479 AbstractCegarLoop]: Abstraction has 700 states and 1057 transitions. [2020-10-14 00:13:19,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1057 transitions. [2020-10-14 00:13:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 00:13:19,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:19,098 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:19,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:13:19,099 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:19,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:19,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2139196985, now seen corresponding path program 1 times [2020-10-14 00:13:19,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:19,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118117014] [2020-10-14 00:13:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:19,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:19,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:19,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:19,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 00:13:19,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-14 00:13:19,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:19,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-14 00:13:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 00:13:19,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:19,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:19,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:19,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:19,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:19,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:19,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:19,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:19,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 00:13:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 00:13:19,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118117014] [2020-10-14 00:13:19,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:19,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:19,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752698815] [2020-10-14 00:13:19,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:19,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:19,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:19,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:19,660 INFO L87 Difference]: Start difference. First operand 700 states and 1057 transitions. Second operand 3 states. [2020-10-14 00:13:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:19,909 INFO L93 Difference]: Finished difference Result 1723 states and 2674 transitions. [2020-10-14 00:13:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:19,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-14 00:13:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:19,917 INFO L225 Difference]: With dead ends: 1723 [2020-10-14 00:13:19,917 INFO L226 Difference]: Without dead ends: 1018 [2020-10-14 00:13:19,919 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 00:13:19,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2020-10-14 00:13:19,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 988. [2020-10-14 00:13:19,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2020-10-14 00:13:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1541 transitions. [2020-10-14 00:13:19,956 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1541 transitions. Word has length 164 [2020-10-14 00:13:19,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:19,957 INFO L479 AbstractCegarLoop]: Abstraction has 988 states and 1541 transitions. [2020-10-14 00:13:19,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1541 transitions. [2020-10-14 00:13:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-14 00:13:19,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:19,961 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 00:13:19,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:13:19,962 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:19,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:19,962 INFO L82 PathProgramCache]: Analyzing trace with hash 681280649, now seen corresponding path program 1 times [2020-10-14 00:13:19,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:19,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028181186] [2020-10-14 00:13:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:20,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:20,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:20,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:20,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-14 00:13:20,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-14 00:13:20,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:20,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:13:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 00:13:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:20,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:20,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:20,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:20,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:20,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:20,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-14 00:13:20,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028181186] [2020-10-14 00:13:20,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:20,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:20,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143619831] [2020-10-14 00:13:20,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:20,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:20,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:20,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:20,761 INFO L87 Difference]: Start difference. First operand 988 states and 1541 transitions. Second operand 3 states. [2020-10-14 00:13:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:21,029 INFO L93 Difference]: Finished difference Result 2227 states and 3519 transitions. [2020-10-14 00:13:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:21,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-10-14 00:13:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:21,039 INFO L225 Difference]: With dead ends: 2227 [2020-10-14 00:13:21,039 INFO L226 Difference]: Without dead ends: 1198 [2020-10-14 00:13:21,043 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 00:13:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-14 00:13:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1174. [2020-10-14 00:13:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2020-10-14 00:13:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1817 transitions. [2020-10-14 00:13:21,101 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1817 transitions. Word has length 193 [2020-10-14 00:13:21,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:21,102 INFO L479 AbstractCegarLoop]: Abstraction has 1174 states and 1817 transitions. [2020-10-14 00:13:21,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1817 transitions. [2020-10-14 00:13:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 00:13:21,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:21,111 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 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] [2020-10-14 00:13:21,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:13:21,112 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:21,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:21,113 INFO L82 PathProgramCache]: Analyzing trace with hash -663086309, now seen corresponding path program 1 times [2020-10-14 00:13:21,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:21,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616413068] [2020-10-14 00:13:21,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:21,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 00:13:22,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:22,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1436 [2020-10-14 00:13:22,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 00:13:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:22,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:22,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:22,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:22,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:22,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:22,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-14 00:13:22,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616413068] [2020-10-14 00:13:22,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:22,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:22,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311120422] [2020-10-14 00:13:22,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:22,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:22,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:22,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:22,721 INFO L87 Difference]: Start difference. First operand 1174 states and 1817 transitions. Second operand 3 states. [2020-10-14 00:13:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:22,969 INFO L93 Difference]: Finished difference Result 2653 states and 4167 transitions. [2020-10-14 00:13:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:22,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-10-14 00:13:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:22,978 INFO L225 Difference]: With dead ends: 2653 [2020-10-14 00:13:22,978 INFO L226 Difference]: Without dead ends: 1438 [2020-10-14 00:13:22,984 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 00:13:22,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-10-14 00:13:23,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1324. [2020-10-14 00:13:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2020-10-14 00:13:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 2069 transitions. [2020-10-14 00:13:23,050 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 2069 transitions. Word has length 213 [2020-10-14 00:13:23,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:23,051 INFO L479 AbstractCegarLoop]: Abstraction has 1324 states and 2069 transitions. [2020-10-14 00:13:23,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 2069 transitions. [2020-10-14 00:13:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 00:13:23,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:23,058 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-10-14 00:13:23,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:13:23,059 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:23,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:23,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1394683543, now seen corresponding path program 2 times [2020-10-14 00:13:23,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:23,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13883428] [2020-10-14 00:13:23,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:24,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 00:13:24,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:24,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1464 [2020-10-14 00:13:24,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:24,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:24,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:24,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 00:13:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 00:13:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:24,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:24,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:24,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:24,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:24,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:24,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-14 00:13:24,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13883428] [2020-10-14 00:13:24,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:24,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:24,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568171593] [2020-10-14 00:13:24,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:24,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:24,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:24,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:24,640 INFO L87 Difference]: Start difference. First operand 1324 states and 2069 transitions. Second operand 3 states. [2020-10-14 00:13:24,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:24,899 INFO L93 Difference]: Finished difference Result 2899 states and 4605 transitions. [2020-10-14 00:13:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:24,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-10-14 00:13:24,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:24,908 INFO L225 Difference]: With dead ends: 2899 [2020-10-14 00:13:24,909 INFO L226 Difference]: Without dead ends: 1588 [2020-10-14 00:13:24,912 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 00:13:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-10-14 00:13:24,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1570. [2020-10-14 00:13:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-10-14 00:13:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2363 transitions. [2020-10-14 00:13:24,966 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2363 transitions. Word has length 222 [2020-10-14 00:13:24,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:24,966 INFO L479 AbstractCegarLoop]: Abstraction has 1570 states and 2363 transitions. [2020-10-14 00:13:24,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2363 transitions. [2020-10-14 00:13:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-14 00:13:24,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:24,975 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:24,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:13:24,976 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:24,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1318115404, now seen corresponding path program 1 times [2020-10-14 00:13:24,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:24,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686485708] [2020-10-14 00:13:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:28,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:29,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:29,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:30,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-14 00:13:30,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 00:13:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 00:13:30,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:30,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-14 00:13:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 00:13:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:30,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:30,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:30,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:30,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:30,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:30,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-10-14 00:13:30,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686485708] [2020-10-14 00:13:30,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:30,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:30,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873564398] [2020-10-14 00:13:30,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:30,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:30,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:30,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:30,164 INFO L87 Difference]: Start difference. First operand 1570 states and 2363 transitions. Second operand 3 states. [2020-10-14 00:13:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:30,434 INFO L93 Difference]: Finished difference Result 3385 states and 5157 transitions. [2020-10-14 00:13:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:30,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-10-14 00:13:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:30,445 INFO L225 Difference]: With dead ends: 3385 [2020-10-14 00:13:30,446 INFO L226 Difference]: Without dead ends: 1828 [2020-10-14 00:13:30,450 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 00:13:30,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2020-10-14 00:13:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1802. [2020-10-14 00:13:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-10-14 00:13:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2625 transitions. [2020-10-14 00:13:30,512 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2625 transitions. Word has length 264 [2020-10-14 00:13:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:30,513 INFO L479 AbstractCegarLoop]: Abstraction has 1802 states and 2625 transitions. [2020-10-14 00:13:30,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2625 transitions. [2020-10-14 00:13:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-14 00:13:30,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:30,520 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 00:13:30,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:13:30,520 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:30,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:30,521 INFO L82 PathProgramCache]: Analyzing trace with hash -328243281, now seen corresponding path program 1 times [2020-10-14 00:13:30,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:30,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896835261] [2020-10-14 00:13:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:30,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:31,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:34,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-14 00:13:34,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 00:13:34,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3494 [2020-10-14 00:13:34,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:34,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:34,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:34,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:13:34,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 00:13:34,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:34,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:34,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:34,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:34,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:34,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:34,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-10-14 00:13:34,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896835261] [2020-10-14 00:13:34,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:34,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:34,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401285081] [2020-10-14 00:13:34,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:34,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:34,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:34,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:34,132 INFO L87 Difference]: Start difference. First operand 1802 states and 2625 transitions. Second operand 3 states. [2020-10-14 00:13:34,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:34,399 INFO L93 Difference]: Finished difference Result 3770 states and 5493 transitions. [2020-10-14 00:13:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:34,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-10-14 00:13:34,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:34,410 INFO L225 Difference]: With dead ends: 3770 [2020-10-14 00:13:34,410 INFO L226 Difference]: Without dead ends: 1935 [2020-10-14 00:13:34,417 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 00:13:34,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2020-10-14 00:13:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1917. [2020-10-14 00:13:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-10-14 00:13:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2645 transitions. [2020-10-14 00:13:34,469 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2645 transitions. Word has length 275 [2020-10-14 00:13:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:34,469 INFO L479 AbstractCegarLoop]: Abstraction has 1917 states and 2645 transitions. [2020-10-14 00:13:34,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2645 transitions. [2020-10-14 00:13:34,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 00:13:34,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:34,477 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 00:13:34,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 00:13:34,477 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:34,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:34,478 INFO L82 PathProgramCache]: Analyzing trace with hash 395977535, now seen corresponding path program 1 times [2020-10-14 00:13:34,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:34,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925323260] [2020-10-14 00:13:34,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:34,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:35,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:35,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-14 00:13:35,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:35,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1050 [2020-10-14 00:13:35,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:35,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-14 00:13:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:35,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:35,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:35,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:35,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:35,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:35,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:35,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:35,656 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 00:13:35,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925323260] [2020-10-14 00:13:35,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:35,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:35,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785486331] [2020-10-14 00:13:35,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:35,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:35,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:35,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:35,659 INFO L87 Difference]: Start difference. First operand 1917 states and 2645 transitions. Second operand 3 states. [2020-10-14 00:13:35,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:35,901 INFO L93 Difference]: Finished difference Result 4109 states and 5715 transitions. [2020-10-14 00:13:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:35,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-10-14 00:13:35,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:35,912 INFO L225 Difference]: With dead ends: 4109 [2020-10-14 00:13:35,912 INFO L226 Difference]: Without dead ends: 2127 [2020-10-14 00:13:35,921 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 00:13:35,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2020-10-14 00:13:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2079. [2020-10-14 00:13:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-10-14 00:13:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2861 transitions. [2020-10-14 00:13:35,993 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2861 transitions. Word has length 292 [2020-10-14 00:13:35,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:35,993 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 2861 transitions. [2020-10-14 00:13:35,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2861 transitions. [2020-10-14 00:13:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 00:13:36,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:36,001 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 00:13:36,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 00:13:36,002 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:36,002 INFO L82 PathProgramCache]: Analyzing trace with hash 673868107, now seen corresponding path program 1 times [2020-10-14 00:13:36,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:36,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305091045] [2020-10-14 00:13:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:36,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:36,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:36,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:36,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:37,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-14 00:13:37,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1090 [2020-10-14 00:13:37,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:37,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:37,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:37,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 00:13:37,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:37,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:37,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:37,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:37,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:37,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:37,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:37,230 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 00:13:37,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305091045] [2020-10-14 00:13:37,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:37,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:37,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513347546] [2020-10-14 00:13:37,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:37,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:37,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:37,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:37,233 INFO L87 Difference]: Start difference. First operand 2079 states and 2861 transitions. Second operand 3 states. [2020-10-14 00:13:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:37,476 INFO L93 Difference]: Finished difference Result 4403 states and 6087 transitions. [2020-10-14 00:13:37,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:37,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2020-10-14 00:13:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:37,487 INFO L225 Difference]: With dead ends: 4403 [2020-10-14 00:13:37,488 INFO L226 Difference]: Without dead ends: 2271 [2020-10-14 00:13:37,493 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 00:13:37,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2020-10-14 00:13:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 2253. [2020-10-14 00:13:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2253 states. [2020-10-14 00:13:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3101 transitions. [2020-10-14 00:13:37,569 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3101 transitions. Word has length 315 [2020-10-14 00:13:37,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:37,569 INFO L479 AbstractCegarLoop]: Abstraction has 2253 states and 3101 transitions. [2020-10-14 00:13:37,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3101 transitions. [2020-10-14 00:13:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-14 00:13:37,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:37,578 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:37,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 00:13:37,579 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:37,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1922104879, now seen corresponding path program 1 times [2020-10-14 00:13:37,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:37,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417470091] [2020-10-14 00:13:37,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:37,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:38,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:38,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:42,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-14 00:13:42,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 00:13:42,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4481 [2020-10-14 00:13:42,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:42,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-14 00:13:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 00:13:42,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:42,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:42,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:42,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:42,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:42,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-10-14 00:13:42,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417470091] [2020-10-14 00:13:42,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:42,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:42,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470087803] [2020-10-14 00:13:42,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:42,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:42,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:42,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:42,228 INFO L87 Difference]: Start difference. First operand 2253 states and 3101 transitions. Second operand 3 states. [2020-10-14 00:13:42,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:42,472 INFO L93 Difference]: Finished difference Result 4697 states and 6485 transitions. [2020-10-14 00:13:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:42,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2020-10-14 00:13:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:42,486 INFO L225 Difference]: With dead ends: 4697 [2020-10-14 00:13:42,486 INFO L226 Difference]: Without dead ends: 2409 [2020-10-14 00:13:42,492 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 00:13:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2409 states. [2020-10-14 00:13:42,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2409 to 2386. [2020-10-14 00:13:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2020-10-14 00:13:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3288 transitions. [2020-10-14 00:13:42,569 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3288 transitions. Word has length 348 [2020-10-14 00:13:42,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:42,570 INFO L479 AbstractCegarLoop]: Abstraction has 2386 states and 3288 transitions. [2020-10-14 00:13:42,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:42,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3288 transitions. [2020-10-14 00:13:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-14 00:13:42,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:42,579 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:42,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 00:13:42,579 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1353045608, now seen corresponding path program 1 times [2020-10-14 00:13:42,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:42,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578062152] [2020-10-14 00:13:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:42,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:47,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:47,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-14 00:13:47,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 00:13:47,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 00:13:47,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:47,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:47,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-14 00:13:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 00:13:47,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:47,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:47,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:47,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-10-14 00:13:47,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578062152] [2020-10-14 00:13:47,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:47,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:47,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622420567] [2020-10-14 00:13:47,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:47,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:47,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:47,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:47,747 INFO L87 Difference]: Start difference. First operand 2386 states and 3288 transitions. Second operand 3 states. [2020-10-14 00:13:47,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:47,985 INFO L93 Difference]: Finished difference Result 4963 states and 6859 transitions. [2020-10-14 00:13:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:47,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-10-14 00:13:47,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:47,997 INFO L225 Difference]: With dead ends: 4963 [2020-10-14 00:13:47,997 INFO L226 Difference]: Without dead ends: 2542 [2020-10-14 00:13:48,004 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 00:13:48,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2020-10-14 00:13:48,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2506. [2020-10-14 00:13:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2020-10-14 00:13:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3468 transitions. [2020-10-14 00:13:48,103 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3468 transitions. Word has length 349 [2020-10-14 00:13:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:48,104 INFO L479 AbstractCegarLoop]: Abstraction has 2506 states and 3468 transitions. [2020-10-14 00:13:48,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3468 transitions. [2020-10-14 00:13:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 00:13:48,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:48,122 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:48,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 00:13:48,123 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:48,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1343489669, now seen corresponding path program 1 times [2020-10-14 00:13:48,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:48,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761896046] [2020-10-14 00:13:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:48,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2212 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-14 00:13:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 00:13:50,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:50,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:50,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:50,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2020-10-14 00:13:50,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761896046] [2020-10-14 00:13:50,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:50,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:50,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757529100] [2020-10-14 00:13:50,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:50,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:50,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:50,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:50,453 INFO L87 Difference]: Start difference. First operand 2506 states and 3468 transitions. Second operand 3 states. [2020-10-14 00:13:50,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:50,701 INFO L93 Difference]: Finished difference Result 5043 states and 6972 transitions. [2020-10-14 00:13:50,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:50,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-10-14 00:13:50,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:50,713 INFO L225 Difference]: With dead ends: 5043 [2020-10-14 00:13:50,713 INFO L226 Difference]: Without dead ends: 2544 [2020-10-14 00:13:50,718 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 00:13:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2020-10-14 00:13:50,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2512. [2020-10-14 00:13:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2512 states. [2020-10-14 00:13:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3456 transitions. [2020-10-14 00:13:50,781 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3456 transitions. Word has length 360 [2020-10-14 00:13:50,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:50,782 INFO L479 AbstractCegarLoop]: Abstraction has 2512 states and 3456 transitions. [2020-10-14 00:13:50,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:50,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3456 transitions. [2020-10-14 00:13:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-14 00:13:50,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:50,791 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 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] [2020-10-14 00:13:50,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 00:13:50,792 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:50,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:50,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1807528757, now seen corresponding path program 1 times [2020-10-14 00:13:50,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:50,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812434948] [2020-10-14 00:13:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:50,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:51,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:51,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 386 [2020-10-14 00:13:51,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:51,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 719 [2020-10-14 00:13:51,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:51,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 00:13:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 00:13:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:51,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:51,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:51,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:51,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:51,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:51,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 906 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-10-14 00:13:51,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812434948] [2020-10-14 00:13:51,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:51,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:51,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959661999] [2020-10-14 00:13:51,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:51,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:51,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:51,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:51,675 INFO L87 Difference]: Start difference. First operand 2512 states and 3456 transitions. Second operand 4 states. [2020-10-14 00:13:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:52,063 INFO L93 Difference]: Finished difference Result 6062 states and 8326 transitions. [2020-10-14 00:13:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:13:52,063 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 378 [2020-10-14 00:13:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:52,087 INFO L225 Difference]: With dead ends: 6062 [2020-10-14 00:13:52,087 INFO L226 Difference]: Without dead ends: 3497 [2020-10-14 00:13:52,093 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 00:13:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3497 states. [2020-10-14 00:13:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3497 to 2535. [2020-10-14 00:13:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2535 states. [2020-10-14 00:13:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3474 transitions. [2020-10-14 00:13:52,178 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3474 transitions. Word has length 378 [2020-10-14 00:13:52,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:52,179 INFO L479 AbstractCegarLoop]: Abstraction has 2535 states and 3474 transitions. [2020-10-14 00:13:52,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3474 transitions. [2020-10-14 00:13:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2020-10-14 00:13:52,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:52,186 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-14 00:13:52,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 00:13:52,187 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:52,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1517771757, now seen corresponding path program 1 times [2020-10-14 00:13:52,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:52,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578153988] [2020-10-14 00:13:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:52,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:53,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 448 [2020-10-14 00:13:53,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 891 [2020-10-14 00:13:53,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:53,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-14 00:13:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:53,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:53,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:53,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:53,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:53,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:53,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2020-10-14 00:13:53,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578153988] [2020-10-14 00:13:53,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:53,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:53,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273371160] [2020-10-14 00:13:53,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:53,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:53,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:53,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:53,237 INFO L87 Difference]: Start difference. First operand 2535 states and 3474 transitions. Second operand 3 states. [2020-10-14 00:13:53,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:53,469 INFO L93 Difference]: Finished difference Result 5255 states and 7212 transitions. [2020-10-14 00:13:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:53,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 440 [2020-10-14 00:13:53,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:53,477 INFO L225 Difference]: With dead ends: 5255 [2020-10-14 00:13:53,477 INFO L226 Difference]: Without dead ends: 2753 [2020-10-14 00:13:53,482 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 00:13:53,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2020-10-14 00:13:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2739. [2020-10-14 00:13:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2739 states. [2020-10-14 00:13:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3768 transitions. [2020-10-14 00:13:53,551 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3768 transitions. Word has length 440 [2020-10-14 00:13:53,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:53,552 INFO L479 AbstractCegarLoop]: Abstraction has 2739 states and 3768 transitions. [2020-10-14 00:13:53,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:53,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3768 transitions. [2020-10-14 00:13:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2020-10-14 00:13:53,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:53,559 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 7, 7, 5, 5, 5, 5, 4, 4, 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] [2020-10-14 00:13:53,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 00:13:53,560 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:53,560 INFO L82 PathProgramCache]: Analyzing trace with hash 81626891, now seen corresponding path program 1 times [2020-10-14 00:13:53,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:53,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868288073] [2020-10-14 00:13:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:53,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 510 [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 837 [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-14 00:13:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:54,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:54,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:54,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:54,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:54,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:54,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2683 backedges. 1575 proven. 0 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2020-10-14 00:13:54,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868288073] [2020-10-14 00:13:54,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:54,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:54,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635583431] [2020-10-14 00:13:54,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:54,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:54,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:54,563 INFO L87 Difference]: Start difference. First operand 2739 states and 3768 transitions. Second operand 3 states. [2020-10-14 00:13:54,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:54,786 INFO L93 Difference]: Finished difference Result 5663 states and 7800 transitions. [2020-10-14 00:13:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:54,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2020-10-14 00:13:54,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:54,794 INFO L225 Difference]: With dead ends: 5663 [2020-10-14 00:13:54,794 INFO L226 Difference]: Without dead ends: 2969 [2020-10-14 00:13:54,800 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 00:13:54,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-10-14 00:13:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2955. [2020-10-14 00:13:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2020-10-14 00:13:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 4086 transitions. [2020-10-14 00:13:54,865 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 4086 transitions. Word has length 502 [2020-10-14 00:13:54,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:54,866 INFO L479 AbstractCegarLoop]: Abstraction has 2955 states and 4086 transitions. [2020-10-14 00:13:54,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 4086 transitions. [2020-10-14 00:13:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2020-10-14 00:13:54,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:54,874 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:54,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 00:13:54,875 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:54,875 INFO L82 PathProgramCache]: Analyzing trace with hash 315786611, now seen corresponding path program 1 times [2020-10-14 00:13:54,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:54,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764235634] [2020-10-14 00:13:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:55,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:55,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 576 [2020-10-14 00:13:55,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-14 00:13:55,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:55,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-14 00:13:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:55,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:55,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:55,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:55,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:55,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 2045 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2020-10-14 00:13:55,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764235634] [2020-10-14 00:13:55,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:55,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:55,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817534468] [2020-10-14 00:13:55,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:55,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:55,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:55,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:55,627 INFO L87 Difference]: Start difference. First operand 2955 states and 4086 transitions. Second operand 3 states. [2020-10-14 00:13:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:55,873 INFO L93 Difference]: Finished difference Result 5855 states and 8072 transitions. [2020-10-14 00:13:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:55,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 568 [2020-10-14 00:13:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:55,880 INFO L225 Difference]: With dead ends: 5855 [2020-10-14 00:13:55,881 INFO L226 Difference]: Without dead ends: 2956 [2020-10-14 00:13:55,887 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 00:13:55,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2020-10-14 00:13:55,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2950. [2020-10-14 00:13:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2950 states. [2020-10-14 00:13:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 4070 transitions. [2020-10-14 00:13:55,955 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 4070 transitions. Word has length 568 [2020-10-14 00:13:55,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:55,955 INFO L479 AbstractCegarLoop]: Abstraction has 2950 states and 4070 transitions. [2020-10-14 00:13:55,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:55,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 4070 transitions. [2020-10-14 00:13:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-10-14 00:13:55,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:55,964 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 00:13:55,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 00:13:55,965 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:55,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:55,965 INFO L82 PathProgramCache]: Analyzing trace with hash 577734987, now seen corresponding path program 1 times [2020-10-14 00:13:55,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:55,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071270265] [2020-10-14 00:13:55,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:56,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:56,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:56,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 614 [2020-10-14 00:13:56,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-14 00:13:56,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:56,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-14 00:13:56,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 00:13:56,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:56,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:56,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:56,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:56,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:56,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:56,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:56,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:56,904 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 00:13:56,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071270265] [2020-10-14 00:13:56,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:56,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:56,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775729678] [2020-10-14 00:13:56,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:56,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:56,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:56,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:56,906 INFO L87 Difference]: Start difference. First operand 2950 states and 4070 transitions. Second operand 4 states. [2020-10-14 00:13:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:57,221 INFO L93 Difference]: Finished difference Result 7206 states and 9952 transitions. [2020-10-14 00:13:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 00:13:57,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 606 [2020-10-14 00:13:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:57,232 INFO L225 Difference]: With dead ends: 7206 [2020-10-14 00:13:57,233 INFO L226 Difference]: Without dead ends: 4105 [2020-10-14 00:13:57,240 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 00:13:57,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2020-10-14 00:13:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 3020. [2020-10-14 00:13:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-14 00:13:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 4175 transitions. [2020-10-14 00:13:57,322 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 4175 transitions. Word has length 606 [2020-10-14 00:13:57,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:57,327 INFO L479 AbstractCegarLoop]: Abstraction has 3020 states and 4175 transitions. [2020-10-14 00:13:57,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 4175 transitions. [2020-10-14 00:13:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2020-10-14 00:13:57,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:57,336 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 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, 1, 1, 1] [2020-10-14 00:13:57,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 00:13:57,337 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:57,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:57,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1261313505, now seen corresponding path program 1 times [2020-10-14 00:13:57,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:57,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310893607] [2020-10-14 00:13:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:57,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:58,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:58,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 626 [2020-10-14 00:13:58,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-14 00:13:58,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:58,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-14 00:13:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 00:13:58,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:58,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:58,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:58,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:58,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:58,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:58,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:58,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:58,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 2240 proven. 0 refuted. 0 times theorem prover too weak. 1959 trivial. 0 not checked. [2020-10-14 00:13:58,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310893607] [2020-10-14 00:13:58,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:58,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:58,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473685551] [2020-10-14 00:13:58,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:58,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:58,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:58,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:58,294 INFO L87 Difference]: Start difference. First operand 3020 states and 4175 transitions. Second operand 3 states. [2020-10-14 00:13:58,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:58,482 INFO L93 Difference]: Finished difference Result 6018 states and 8318 transitions. [2020-10-14 00:13:58,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:58,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 618 [2020-10-14 00:13:58,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:58,490 INFO L225 Difference]: With dead ends: 6018 [2020-10-14 00:13:58,490 INFO L226 Difference]: Without dead ends: 3022 [2020-10-14 00:13:58,496 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 00:13:58,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2020-10-14 00:13:58,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3020. [2020-10-14 00:13:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-14 00:13:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 4114 transitions. [2020-10-14 00:13:58,556 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 4114 transitions. Word has length 618 [2020-10-14 00:13:58,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:58,557 INFO L479 AbstractCegarLoop]: Abstraction has 3020 states and 4114 transitions. [2020-10-14 00:13:58,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 4114 transitions. [2020-10-14 00:13:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-10-14 00:13:58,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:58,566 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 20, 19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:58,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 00:13:58,567 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:58,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:58,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1871447240, now seen corresponding path program 1 times [2020-10-14 00:13:58,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:58,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938713646] [2020-10-14 00:13:58,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:58,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:59,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:59,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 641 [2020-10-14 00:13:59,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1093 [2020-10-14 00:13:59,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:59,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 386 [2020-10-14 00:13:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 00:13:59,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:59,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:59,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:59,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:59,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:59,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:59,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4337 backedges. 2296 proven. 0 refuted. 0 times theorem prover too weak. 2041 trivial. 0 not checked. [2020-10-14 00:13:59,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938713646] [2020-10-14 00:13:59,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:59,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:59,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302472395] [2020-10-14 00:13:59,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:59,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:59,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:59,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:59,919 INFO L87 Difference]: Start difference. First operand 3020 states and 4114 transitions. Second operand 3 states. [2020-10-14 00:14:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:00,158 INFO L93 Difference]: Finished difference Result 6129 states and 8349 transitions. [2020-10-14 00:14:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:14:00,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-10-14 00:14:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:00,168 INFO L225 Difference]: With dead ends: 6129 [2020-10-14 00:14:00,169 INFO L226 Difference]: Without dead ends: 3148 [2020-10-14 00:14:00,175 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 00:14:00,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-14 00:14:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3128. [2020-10-14 00:14:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3128 states. [2020-10-14 00:14:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4252 transitions. [2020-10-14 00:14:00,319 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4252 transitions. Word has length 633 [2020-10-14 00:14:00,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:00,320 INFO L479 AbstractCegarLoop]: Abstraction has 3128 states and 4252 transitions. [2020-10-14 00:14:00,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:14:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4252 transitions. [2020-10-14 00:14:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-10-14 00:14:00,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:00,330 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 21, 20, 20, 20, 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, 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 00:14:00,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 00:14:00,330 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:00,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:00,332 INFO L82 PathProgramCache]: Analyzing trace with hash -2080790127, now seen corresponding path program 1 times [2020-10-14 00:14:00,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:00,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229799990] [2020-10-14 00:14:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:01,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:01,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 657 [2020-10-14 00:14:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:14:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1182 [2020-10-14 00:14:01,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:01,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 402 [2020-10-14 00:14:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 00:14:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:01,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:01,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:01,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:01,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:01,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:01,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:01,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4602 backedges. 2397 proven. 0 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2020-10-14 00:14:01,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229799990] [2020-10-14 00:14:01,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:01,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:14:01,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75866309] [2020-10-14 00:14:01,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:14:01,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:01,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:14:01,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:01,817 INFO L87 Difference]: Start difference. First operand 3128 states and 4252 transitions. Second operand 3 states. [2020-10-14 00:14:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:02,022 INFO L93 Difference]: Finished difference Result 6247 states and 8476 transitions. [2020-10-14 00:14:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:14:02,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 649 [2020-10-14 00:14:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:02,029 INFO L225 Difference]: With dead ends: 6247 [2020-10-14 00:14:02,029 INFO L226 Difference]: Without dead ends: 3188 [2020-10-14 00:14:02,034 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 00:14:02,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-10-14 00:14:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3160. [2020-10-14 00:14:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3160 states. [2020-10-14 00:14:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4286 transitions. [2020-10-14 00:14:02,100 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4286 transitions. Word has length 649 [2020-10-14 00:14:02,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:02,101 INFO L479 AbstractCegarLoop]: Abstraction has 3160 states and 4286 transitions. [2020-10-14 00:14:02,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:14:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4286 transitions. [2020-10-14 00:14:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2020-10-14 00:14:02,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:02,111 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:02,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 00:14:02,111 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:02,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:02,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1167269635, now seen corresponding path program 1 times [2020-10-14 00:14:02,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:02,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602158626] [2020-10-14 00:14:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:02,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:02,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:02,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 718 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 402 [2020-10-14 00:14:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 00:14:02,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:02,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:02,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:02,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:02,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:02,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:02,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:02,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5619 backedges. 3100 proven. 0 refuted. 0 times theorem prover too weak. 2519 trivial. 0 not checked. [2020-10-14 00:14:02,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602158626] [2020-10-14 00:14:02,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:02,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:14:02,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854926542] [2020-10-14 00:14:02,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:14:02,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:02,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:14:02,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:02,952 INFO L87 Difference]: Start difference. First operand 3160 states and 4286 transitions. Second operand 3 states. [2020-10-14 00:14:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:03,135 INFO L93 Difference]: Finished difference Result 6266 states and 8471 transitions. [2020-10-14 00:14:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:14:03,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 710 [2020-10-14 00:14:03,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:03,140 INFO L225 Difference]: With dead ends: 6266 [2020-10-14 00:14:03,140 INFO L226 Difference]: Without dead ends: 3179 [2020-10-14 00:14:03,146 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 00:14:03,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2020-10-14 00:14:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3153. [2020-10-14 00:14:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3153 states. [2020-10-14 00:14:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 4267 transitions. [2020-10-14 00:14:03,208 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 4267 transitions. Word has length 710 [2020-10-14 00:14:03,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:03,209 INFO L479 AbstractCegarLoop]: Abstraction has 3153 states and 4267 transitions. [2020-10-14 00:14:03,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:14:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 4267 transitions. [2020-10-14 00:14:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2020-10-14 00:14:03,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:03,218 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 00:14:03,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 00:14:03,219 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:03,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:03,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1839697068, now seen corresponding path program 1 times [2020-10-14 00:14:03,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:03,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654075573] [2020-10-14 00:14:03,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:03,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:03,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:03,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 739 [2020-10-14 00:14:03,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-14 00:14:03,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:03,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-14 00:14:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:14:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:03,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:03,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:03,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:03,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:03,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:03,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:03,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:03,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:03,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:03,763 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 00:14:03,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654075573] [2020-10-14 00:14:03,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:03,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:14:03,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146207399] [2020-10-14 00:14:03,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:14:03,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:03,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:14:03,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:03,765 INFO L87 Difference]: Start difference. First operand 3153 states and 4267 transitions. Second operand 3 states. [2020-10-14 00:14:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:03,965 INFO L93 Difference]: Finished difference Result 4721 states and 6353 transitions. [2020-10-14 00:14:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:14:03,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 731 [2020-10-14 00:14:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:03,966 INFO L225 Difference]: With dead ends: 4721 [2020-10-14 00:14:03,966 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:14:03,977 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 00:14:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:14:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:14:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:14:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:14:03,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 731 [2020-10-14 00:14:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:03,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:14:03,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:14:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:14:03,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:14:03,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 00:14:03,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:14:04,096 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 46 [2020-10-14 00:14:04,864 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 91 [2020-10-14 00:14:05,219 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 91 [2020-10-14 00:14:05,631 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-10-14 00:14:06,089 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2020-10-14 00:14:06,357 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2020-10-14 00:14:06,893 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2020-10-14 00:14:07,164 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 00:14:07,164 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:14:07,164 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:14:07,165 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 00:14:07,165 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:14:07,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:14:07,165 INFO L271 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-10-14 00:14:07,165 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 679 690) the Hoare annotation is: true [2020-10-14 00:14:07,165 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-14 00:14:07,165 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 679 690) no Hoare annotation was computed. [2020-10-14 00:14:07,165 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 679 690) no Hoare annotation was computed. [2020-10-14 00:14:07,165 INFO L268 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L498-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L201(lines 201 595) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L168(lines 168 606) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L135(lines 135 617) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L102(lines 102 628) no Hoare annotation was computed. [2020-10-14 00:14:07,166 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-14 00:14:07,167 INFO L268 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-10-14 00:14:07,167 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-10-14 00:14:07,167 INFO L268 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-10-14 00:14:07,167 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-14 00:14:07,167 INFO L264 CegarLoopResult]: At program point L202(lines 198 596) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse1 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 00:14:07,167 INFO L264 CegarLoopResult]: At program point L103(lines 102 628) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 0) (<= 8672 ssl3_accept_~s__state~0)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L302(lines 302 306) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L302-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L204(lines 204 594) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L171(lines 171 605) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L138(lines 138 616) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L105(lines 105 627) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L268 CegarLoopResult]: For program point L337-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 00:14:07,168 INFO L271 CegarLoopResult]: At program point L205(lines 204 594) the Hoare annotation is: true [2020-10-14 00:14:07,169 INFO L264 CegarLoopResult]: At program point L172(lines 168 606) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8592))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 00:14:07,169 INFO L264 CegarLoopResult]: At program point L139(lines 135 617) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse1 (<= 8496 ssl3_accept_~s__state~0))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2020-10-14 00:14:07,169 INFO L268 CegarLoopResult]: For program point L73(lines 73 81) no Hoare annotation was computed. [2020-10-14 00:14:07,169 INFO L268 CegarLoopResult]: For program point L437(lines 437 449) no Hoare annotation was computed. [2020-10-14 00:14:07,169 INFO L264 CegarLoopResult]: At program point L404(lines 395 415) the Hoare annotation is: (or (and (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 00:14:07,169 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 449) no Hoare annotation was computed. [2020-10-14 00:14:07,170 INFO L268 CegarLoopResult]: For program point L174(lines 174 604) no Hoare annotation was computed. [2020-10-14 00:14:07,170 INFO L268 CegarLoopResult]: For program point L141(lines 141 615) no Hoare annotation was computed. [2020-10-14 00:14:07,170 INFO L268 CegarLoopResult]: For program point L108(lines 108 626) no Hoare annotation was computed. [2020-10-14 00:14:07,170 INFO L271 CegarLoopResult]: At program point L208(lines 207 593) the Hoare annotation is: true [2020-10-14 00:14:07,170 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-10-14 00:14:07,170 INFO L268 CegarLoopResult]: For program point L76-2(lines 73 81) no Hoare annotation was computed. [2020-10-14 00:14:07,170 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 678) the Hoare annotation is: true [2020-10-14 00:14:07,170 INFO L268 CegarLoopResult]: For program point L539(lines 539 544) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L440(lines 440 445) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L242(lines 242 247) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L177(lines 177 603) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L144(lines 144 614) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L111(lines 111 625) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-14 00:14:07,171 INFO L268 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-10-14 00:14:07,172 INFO L264 CegarLoopResult]: At program point L178(lines 174 604) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8608))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0) .cse1))) [2020-10-14 00:14:07,172 INFO L264 CegarLoopResult]: At program point L145(lines 141 615) the Hoare annotation is: (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8528) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 00:14:07,172 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-14 00:14:07,172 INFO L264 CegarLoopResult]: At program point L212(lines 105 627) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 (<= 8672 ssl3_accept_~s__state~0)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse1 .cse0) (and (<= ssl3_accept_~blastFlag~0 2) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 00:14:07,172 INFO L271 CegarLoopResult]: At program point L675(lines 65 677) the Hoare annotation is: true [2020-10-14 00:14:07,172 INFO L268 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L345(lines 345 377) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L180(lines 180 602) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L147(lines 147 613) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L114(lines 114 624) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L83(lines 83 91) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L83-1(lines 65 677) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L348(lines 348 376) no Hoare annotation was computed. [2020-10-14 00:14:07,173 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 376) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L249(lines 249 262) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L183(lines 183 601) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L150(lines 150 612) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L117(lines 117 623) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L349(lines 349 373) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-10-14 00:14:07,174 INFO L264 CegarLoopResult]: At program point L184(lines 180 602) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 00:14:07,175 INFO L264 CegarLoopResult]: At program point L151(lines 147 613) the Hoare annotation is: (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8544) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L217-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L251(lines 251 256) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L285-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L186(lines 186 600) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L153(lines 153 611) no Hoare annotation was computed. [2020-10-14 00:14:07,175 INFO L268 CegarLoopResult]: For program point L120(lines 120 622) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point L385(lines 385 416) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point L352(lines 352 372) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L264 CegarLoopResult]: At program point L121(lines 117 623) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 678) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point L519(lines 519 524) no Hoare annotation was computed. [2020-10-14 00:14:07,176 INFO L268 CegarLoopResult]: For program point L354(lines 354 358) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L268 CegarLoopResult]: For program point L321-1(lines 321 330) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L268 CegarLoopResult]: For program point L354-2(lines 352 370) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L268 CegarLoopResult]: For program point L189(lines 189 599) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L268 CegarLoopResult]: For program point L156(lines 156 610) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L268 CegarLoopResult]: For program point L123(lines 123 621) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L264 CegarLoopResult]: At program point L553(lines 65 677) the Hoare annotation is: false [2020-10-14 00:14:07,177 INFO L268 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-14 00:14:07,177 INFO L264 CegarLoopResult]: At program point L190(lines 186 600) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 (<= ssl3_accept_~s__state~0 8640) (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~s__state~0 8656) .cse0 (<= ssl3_accept_~blastFlag~0 0)) (not (= ssl3_accept_~s__hit~0 0)))) [2020-10-14 00:14:07,178 INFO L264 CegarLoopResult]: At program point L157(lines 153 611) the Hoare annotation is: (or (and (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 00:14:07,178 INFO L271 CegarLoopResult]: At program point L124(lines 123 621) the Hoare annotation is: true [2020-10-14 00:14:07,178 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-10-14 00:14:07,178 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 678) no Hoare annotation was computed. [2020-10-14 00:14:07,178 INFO L268 CegarLoopResult]: For program point L192(lines 192 598) no Hoare annotation was computed. [2020-10-14 00:14:07,178 INFO L268 CegarLoopResult]: For program point L159(lines 159 609) no Hoare annotation was computed. [2020-10-14 00:14:07,178 INFO L268 CegarLoopResult]: For program point L126(lines 126 620) no Hoare annotation was computed. [2020-10-14 00:14:07,178 INFO L268 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-14 00:14:07,179 INFO L264 CegarLoopResult]: At program point L591(lines 99 659) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and (not (= ssl3_accept_~s__hit~0 0)) .cse0) (<= ssl3_accept_~s__state~0 3) (and (<= ssl3_accept_~s__state~0 8672) .cse0 (<= 8672 ssl3_accept_~s__state~0) .cse1) (and (<= 8656 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8656) .cse2 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) (<= ssl3_accept_~s__state~0 8496) (<= 8496 ssl3_accept_~s__state~0)) (and (<= ssl3_accept_~s__state~0 8560) (<= 8512 ssl3_accept_~s__state~0) .cse2) (<= ssl3_accept_~blastFlag~0 0) (and (<= 8448 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8448) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= ssl3_accept_~s__state~0 8640) .cse2 .cse1))) [2020-10-14 00:14:07,179 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-10-14 00:14:07,179 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-14 00:14:07,179 INFO L264 CegarLoopResult]: At program point L360(lines 342 378) the Hoare annotation is: (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8544) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 00:14:07,179 INFO L268 CegarLoopResult]: For program point L195(lines 195 597) no Hoare annotation was computed. [2020-10-14 00:14:07,179 INFO L268 CegarLoopResult]: For program point L162(lines 162 608) no Hoare annotation was computed. [2020-10-14 00:14:07,180 INFO L268 CegarLoopResult]: For program point L129(lines 129 619) no Hoare annotation was computed. [2020-10-14 00:14:07,180 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-14 00:14:07,180 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-10-14 00:14:07,180 INFO L268 CegarLoopResult]: For program point L526-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 00:14:07,180 INFO L264 CegarLoopResult]: At program point L394(lines 385 416) the Hoare annotation is: (or (and (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 00:14:07,180 INFO L268 CegarLoopResult]: For program point L229(lines 229 240) no Hoare annotation was computed. [2020-10-14 00:14:07,180 INFO L264 CegarLoopResult]: At program point L196(lines 192 598) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8656 ssl3_accept_~s__state~0))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 00:14:07,180 INFO L264 CegarLoopResult]: At program point L163(lines 159 609) the Hoare annotation is: (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8576) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 240) no Hoare annotation was computed. [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 671) no Hoare annotation was computed. [2020-10-14 00:14:07,181 INFO L271 CegarLoopResult]: At program point L660(lines 98 661) the Hoare annotation is: true [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point L198(lines 198 596) no Hoare annotation was computed. [2020-10-14 00:14:07,181 INFO L268 CegarLoopResult]: For program point L165(lines 165 607) no Hoare annotation was computed. [2020-10-14 00:14:07,182 INFO L268 CegarLoopResult]: For program point L132(lines 132 618) no Hoare annotation was computed. [2020-10-14 00:14:07,182 INFO L264 CegarLoopResult]: At program point L99-2(lines 99 659) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and (not (= ssl3_accept_~s__hit~0 0)) .cse0) (<= ssl3_accept_~s__state~0 3) (and (<= ssl3_accept_~s__state~0 8672) .cse0 (<= 8672 ssl3_accept_~s__state~0) .cse1) (and (<= 8656 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8656) .cse2 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) (<= ssl3_accept_~s__state~0 8496) (<= 8496 ssl3_accept_~s__state~0)) (and (<= ssl3_accept_~s__state~0 8560) (<= 8512 ssl3_accept_~s__state~0) .cse2) (<= ssl3_accept_~blastFlag~0 0) (and (<= 8448 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8448) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= ssl3_accept_~s__state~0 8640) .cse2 .cse1))) [2020-10-14 00:14:07,182 INFO L264 CegarLoopResult]: At program point L166(lines 165 607) the Hoare annotation is: (let ((.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8448))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~s__state~0 8512) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)))) [2020-10-14 00:14:07,182 INFO L264 CegarLoopResult]: At program point L133(lines 126 620) the Hoare annotation is: (let ((.cse0 (<= 8464 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 00:14:07,182 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 00:14:07,182 INFO L268 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-10-14 00:14:07,182 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-14 00:14:07,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:14:07 BoogieIcfgContainer [2020-10-14 00:14:07,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:14:07,214 INFO L168 Benchmark]: Toolchain (without parser) took 52926.21 ms. Allocated memory was 146.8 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 101.7 MB in the beginning and 753.3 MB in the end (delta: -651.6 MB). Peak memory consumption was 628.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:14:07,214 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 00:14:07,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.35 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.7 MB in the beginning and 177.9 MB in the end (delta: -76.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:14:07,215 INFO L168 Benchmark]: Boogie Preprocessor took 60.49 ms. Allocated memory is still 202.9 MB. Free memory was 177.9 MB in the beginning and 175.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-14 00:14:07,216 INFO L168 Benchmark]: RCFGBuilder took 866.37 ms. Allocated memory is still 202.9 MB. Free memory was 175.0 MB in the beginning and 125.4 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2020-10-14 00:14:07,216 INFO L168 Benchmark]: TraceAbstraction took 51504.83 ms. Allocated memory was 202.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 124.4 MB in the beginning and 753.3 MB in the end (delta: -628.9 MB). Peak memory consumption was 595.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:14:07,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 489.35 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.7 MB in the beginning and 177.9 MB in the end (delta: -76.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.49 ms. Allocated memory is still 202.9 MB. Free memory was 177.9 MB in the beginning and 175.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 866.37 ms. Allocated memory is still 202.9 MB. Free memory was 175.0 MB in the beginning and 125.4 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 51504.83 ms. Allocated memory was 202.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 124.4 MB in the beginning and 753.3 MB in the end (delta: -628.9 MB). Peak memory consumption was 595.4 MB. 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__hit == 0) && blastFlag <= 3) || ((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((8512 <= s__state && s__state <= 8640) && blastFlag <= 0) || (!(s__hit == 0) && blastFlag <= 3)) || (((8512 <= s__state && s__state <= 8640) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && blastFlag <= 3) || (((8464 <= s__state && s__state <= 8496) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((8464 <= s__state && s__state <= 8496) && blastFlag <= 0) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((!(s__hit == 0) && blastFlag <= 3) || (((8448 <= s__state && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 <= s__state && s__state <= 8448) && blastFlag <= 0)) || (s__state <= 8512 && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (!(s__hit == 0) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (!(s__hit == 0) && blastFlag <= 3) || ((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((8512 <= s__state && s__state <= 8640) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) || ((s__state <= 8656 && 8512 <= s__state) && blastFlag <= 0)) || !(s__hit == 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) && blastFlag <= 3)) || (s__state <= 8448 && blastFlag <= 0)) || ((blastFlag <= 2 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(s__hit == 0) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && blastFlag <= 3) || (((s__state <= 8512 && blastFlag <= 2) && 8496 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8512 && blastFlag <= 1) && 8496 <= s__state) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((!(s__hit == 0) && blastFlag <= 3) || s__state <= 3) || (((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((8656 <= s__state && s__state <= 8656) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((blastFlag <= 1 && s__state <= 8496) && 8496 <= s__state)) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || blastFlag <= 0) || (((8448 <= s__state && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8640 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && blastFlag <= 3) || (((8512 <= s__state && blastFlag <= 2) && s__state <= 8592) && s__s3__tmp__next_state___0 <= 8576)) || ((8512 <= s__state && s__state <= 8592) && blastFlag <= 0) - 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__hit == 0) && blastFlag <= 3) || ((s__state <= 8576 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((!(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) || ((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 0)) || (((s__state <= 8672 && 8656 <= s__state) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((!(s__hit == 0) && blastFlag <= 3) || s__state <= 3) || (((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((8656 <= s__state && s__state <= 8656) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((blastFlag <= 1 && s__state <= 8496) && 8496 <= s__state)) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || blastFlag <= 0) || (((8448 <= s__state && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 8640 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (!(s__hit == 0) && blastFlag <= 3) || ((8512 <= s__state && s__state <= 8528) && blastFlag <= 2) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (blastFlag <= 0 && 8672 <= s__state) || (!(s__hit == 0) && blastFlag <= 3) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && blastFlag <= 3) || (((8512 <= s__state && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || ((8512 <= s__state && blastFlag <= 0) && s__state <= 8608) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (!(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__hit == 0) && blastFlag <= 3)) || ((blastFlag <= 3 && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.1s, OverallIterations: 27, TraceHistogramMax: 25, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5942 SDtfs, 2460 SDslu, 2963 SDs, 0 SdLazy, 2781 SolverSat, 856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3160occurred in iteration=25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 27 MinimizatonAttempts, 2546 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 312 NumberOfFragments, 679 HoareAnnotationTreeSize, 33 FomulaSimplifications, 16877 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 3399 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 36.3s InterpolantComputationTime, 9484 NumberOfCodeBlocks, 9484 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 9457 ConstructedInterpolants, 0 QuantifiedInterpolants, 4998869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 25 PerfectInterpolantSequences, 46764/46816 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...