/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:15:24,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:15:24,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:15:24,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:15:24,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:15:24,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:15:24,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:15:24,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:15:24,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:15:24,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:15:24,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:15:24,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:15:24,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:15:24,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:15:24,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:15:24,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:15:24,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:15:24,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:15:24,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:15:24,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:15:24,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:15:24,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:15:24,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:15:24,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:15:24,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:15:24,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:15:24,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:15:24,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:15:24,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:15:24,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:15:24,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:15:24,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:15:24,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:15:24,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:15:24,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:15:24,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:15:24,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:15:24,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:15:24,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:15:24,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:15:24,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:15:24,482 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 [2020-10-29 04:15:24,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:15:24,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:15:24,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:15:24,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:15:24,543 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:15:24,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:15:24,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:15:24,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:15:24,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:15:24,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:15:24,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:15:24,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:15:24,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:15:24,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:15:24,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:15:24,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:15:24,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:15:24,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:15:24,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:15:24,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:15:24,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:15:24,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:15:24,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:15:24,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:15:24,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:15:24,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:15:24,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:15:24,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:15:24,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:15:24,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:15:25,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:15:25,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:15:25,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:15:25,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:15:25,074 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:15:25,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-29 04:15:25,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/563477168/c82296e6c26d4707a20abdef4c83c903/FLAG70c453c67 [2020-10-29 04:15:25,734 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:15:25,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-29 04:15:25,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/563477168/c82296e6c26d4707a20abdef4c83c903/FLAG70c453c67 [2020-10-29 04:15:26,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/563477168/c82296e6c26d4707a20abdef4c83c903 [2020-10-29 04:15:26,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:15:26,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:15:26,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:15:26,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:15:26,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:15:26,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9efab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26, skipping insertion in model container [2020-10-29 04:15:26,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:15:26,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:15:26,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:15:26,467 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:15:26,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:15:26,624 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:15:26,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26 WrapperNode [2020-10-29 04:15:26,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:15:26,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:15:26,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:15:26,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:15:26,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (1/1) ... [2020-10-29 04:15:26,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:15:26,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:15:26,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:15:26,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:15:26,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (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 [2020-10-29 04:15:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:15:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:15:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:15:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-29 04:15:26,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:15:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:15:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:15:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:15:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:15:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 04:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 04:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-29 04:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:15:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:15:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:15:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:15:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:15:27,048 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 04:15:27,613 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-29 04:15:27,613 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-29 04:15:27,647 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:15:27,647 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:15:27,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:27 BoogieIcfgContainer [2020-10-29 04:15:27,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:15:27,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:15:27,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:15:27,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:15:27,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:15:26" (1/3) ... [2020-10-29 04:15:27,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a2203e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:15:27, skipping insertion in model container [2020-10-29 04:15:27,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:26" (2/3) ... [2020-10-29 04:15:27,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a2203e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:15:27, skipping insertion in model container [2020-10-29 04:15:27,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:27" (3/3) ... [2020-10-29 04:15:27,660 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2020-10-29 04:15:27,673 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:15:27,706 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:15:27,747 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:15:27,785 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:15:27,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:15:27,786 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:15:27,786 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:15:27,786 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:15:27,786 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:15:27,786 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:15:27,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:15:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-29 04:15:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-29 04:15:27,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:27,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:27,822 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:27,829 INFO L82 PathProgramCache]: Analyzing trace with hash 2139538990, now seen corresponding path program 1 times [2020-10-29 04:15:27,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:27,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299809324] [2020-10-29 04:15:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:28,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:28,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:28,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:28,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 04:15:28,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:15:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 847 [2020-10-29 04:15:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:28,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 04:15:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 04:15:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:15:28,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:29,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:29,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:29,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:29,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 04:15:29,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:29,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:15:29,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299809324] [2020-10-29 04:15:29,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:29,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:29,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575137831] [2020-10-29 04:15:29,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:29,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:29,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:29,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:29,093 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-10-29 04:15:29,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:29,743 INFO L93 Difference]: Finished difference Result 399 states and 676 transitions. [2020-10-29 04:15:29,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:29,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-29 04:15:29,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:29,758 INFO L225 Difference]: With dead ends: 399 [2020-10-29 04:15:29,758 INFO L226 Difference]: Without dead ends: 225 [2020-10-29 04:15:29,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:29,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-29 04:15:29,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-10-29 04:15:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-29 04:15:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 338 transitions. [2020-10-29 04:15:29,837 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 338 transitions. Word has length 51 [2020-10-29 04:15:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:29,838 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 338 transitions. [2020-10-29 04:15:29,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 338 transitions. [2020-10-29 04:15:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 04:15:29,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:29,842 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:29,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:15:29,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:29,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:29,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1492737295, now seen corresponding path program 1 times [2020-10-29 04:15:29,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:29,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123140583] [2020-10-29 04:15:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:29,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:30,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:30,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 04:15:30,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 04:15:30,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:30,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:15:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 04:15:30,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:15:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:30,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:30,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:30,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:15:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:30,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 04:15:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:15:30,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123140583] [2020-10-29 04:15:30,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:30,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:30,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606442091] [2020-10-29 04:15:30,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:30,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:30,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:30,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:30,167 INFO L87 Difference]: Start difference. First operand 225 states and 338 transitions. Second operand 4 states. [2020-10-29 04:15:30,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:30,653 INFO L93 Difference]: Finished difference Result 436 states and 662 transitions. [2020-10-29 04:15:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:30,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-29 04:15:30,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:30,660 INFO L225 Difference]: With dead ends: 436 [2020-10-29 04:15:30,660 INFO L226 Difference]: Without dead ends: 329 [2020-10-29 04:15:30,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-29 04:15:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2020-10-29 04:15:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-10-29 04:15:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 496 transitions. [2020-10-29 04:15:30,716 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 496 transitions. Word has length 67 [2020-10-29 04:15:30,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:30,717 INFO L481 AbstractCegarLoop]: Abstraction has 329 states and 496 transitions. [2020-10-29 04:15:30,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 496 transitions. [2020-10-29 04:15:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 04:15:30,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:30,729 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:30,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:15:30,729 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:30,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:30,732 INFO L82 PathProgramCache]: Analyzing trace with hash -423864330, now seen corresponding path program 1 times [2020-10-29 04:15:30,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:30,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395073011] [2020-10-29 04:15:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:30,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:30,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:30,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:31,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 04:15:31,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:15:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-29 04:15:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:31,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 04:15:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 04:15:31,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:15:31,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:31,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:31,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:31,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:31,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:31,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:15:31,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:31,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:31,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:31,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 04:15:31,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395073011] [2020-10-29 04:15:31,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:31,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:31,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763957184] [2020-10-29 04:15:31,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:31,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:31,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:31,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:31,269 INFO L87 Difference]: Start difference. First operand 329 states and 496 transitions. Second operand 4 states. [2020-10-29 04:15:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:31,818 INFO L93 Difference]: Finished difference Result 782 states and 1206 transitions. [2020-10-29 04:15:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:31,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-10-29 04:15:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:31,822 INFO L225 Difference]: With dead ends: 782 [2020-10-29 04:15:31,822 INFO L226 Difference]: Without dead ends: 467 [2020-10-29 04:15:31,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-10-29 04:15:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 455. [2020-10-29 04:15:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-10-29 04:15:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 637 transitions. [2020-10-29 04:15:31,856 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 637 transitions. Word has length 88 [2020-10-29 04:15:31,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:31,857 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 637 transitions. [2020-10-29 04:15:31,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 637 transitions. [2020-10-29 04:15:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 04:15:31,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:31,859 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:31,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:15:31,860 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:31,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1321257608, now seen corresponding path program 1 times [2020-10-29 04:15:31,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:31,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775310456] [2020-10-29 04:15:31,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:31,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:31,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:31,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:32,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:32,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 04:15:32,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:15:32,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-29 04:15:32,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:32,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:32,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 04:15:32,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 04:15:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:15:32,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:32,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:32,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:32,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:32,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 04:15:32,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:32,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:32,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:32,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:32,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:32,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:15:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 04:15:32,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775310456] [2020-10-29 04:15:32,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:32,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:32,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960931658] [2020-10-29 04:15:32,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:32,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:32,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:32,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:32,300 INFO L87 Difference]: Start difference. First operand 455 states and 637 transitions. Second operand 4 states. [2020-10-29 04:15:32,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:32,709 INFO L93 Difference]: Finished difference Result 896 states and 1260 transitions. [2020-10-29 04:15:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:32,710 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-10-29 04:15:32,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:32,715 INFO L225 Difference]: With dead ends: 896 [2020-10-29 04:15:32,715 INFO L226 Difference]: Without dead ends: 601 [2020-10-29 04:15:32,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-10-29 04:15:32,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2020-10-29 04:15:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-10-29 04:15:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 843 transitions. [2020-10-29 04:15:32,749 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 843 transitions. Word has length 88 [2020-10-29 04:15:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:32,751 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 843 transitions. [2020-10-29 04:15:32,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 843 transitions. [2020-10-29 04:15:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 04:15:32,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:32,759 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:32,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:15:32,759 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:32,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:32,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1471882461, now seen corresponding path program 1 times [2020-10-29 04:15:32,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:32,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865350395] [2020-10-29 04:15:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:32,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 04:15:32,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-29 04:15:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:32,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 04:15:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 04:15:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:32,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:32,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:32,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:32,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:32,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:15:32,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:32,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:32,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:15:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-29 04:15:33,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865350395] [2020-10-29 04:15:33,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:33,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:33,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480225316] [2020-10-29 04:15:33,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:33,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:33,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:33,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:33,037 INFO L87 Difference]: Start difference. First operand 601 states and 843 transitions. Second operand 4 states. [2020-10-29 04:15:33,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:33,526 INFO L93 Difference]: Finished difference Result 750 states and 1053 transitions. [2020-10-29 04:15:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:33,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-10-29 04:15:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:33,532 INFO L225 Difference]: With dead ends: 750 [2020-10-29 04:15:33,533 INFO L226 Difference]: Without dead ends: 747 [2020-10-29 04:15:33,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:33,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2020-10-29 04:15:33,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2020-10-29 04:15:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-29 04:15:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1050 transitions. [2020-10-29 04:15:33,581 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1050 transitions. Word has length 128 [2020-10-29 04:15:33,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:33,582 INFO L481 AbstractCegarLoop]: Abstraction has 747 states and 1050 transitions. [2020-10-29 04:15:33,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1050 transitions. [2020-10-29 04:15:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 04:15:33,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:33,586 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:33,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:15:33,587 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:33,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:33,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1530385458, now seen corresponding path program 1 times [2020-10-29 04:15:33,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:33,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418898572] [2020-10-29 04:15:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:33,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:33,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:33,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:34,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:34,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 04:15:34,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:15:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-29 04:15:34,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:34,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 04:15:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 04:15:34,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:34,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:34,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:34,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:15:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-29 04:15:34,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418898572] [2020-10-29 04:15:34,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:34,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:34,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153310822] [2020-10-29 04:15:34,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:34,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:34,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:34,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:34,275 INFO L87 Difference]: Start difference. First operand 747 states and 1050 transitions. Second operand 4 states. [2020-10-29 04:15:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:34,772 INFO L93 Difference]: Finished difference Result 2191 states and 3093 transitions. [2020-10-29 04:15:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:34,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2020-10-29 04:15:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:34,784 INFO L225 Difference]: With dead ends: 2191 [2020-10-29 04:15:34,785 INFO L226 Difference]: Without dead ends: 1458 [2020-10-29 04:15:34,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:34,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2020-10-29 04:15:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1457. [2020-10-29 04:15:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2020-10-29 04:15:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2045 transitions. [2020-10-29 04:15:34,860 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2045 transitions. Word has length 150 [2020-10-29 04:15:34,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:34,860 INFO L481 AbstractCegarLoop]: Abstraction has 1457 states and 2045 transitions. [2020-10-29 04:15:34,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2045 transitions. [2020-10-29 04:15:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 04:15:34,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:34,865 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2020-10-29 04:15:34,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:15:34,866 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:34,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:34,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1411943984, now seen corresponding path program 1 times [2020-10-29 04:15:34,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:34,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212530982] [2020-10-29 04:15:34,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:35,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:35,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 04:15:35,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:15:35,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-29 04:15:35,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:35,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-29 04:15:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 04:15:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:35,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:35,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:35,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:35,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:35,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:35,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:15:35,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:35,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:35,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-29 04:15:35,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212530982] [2020-10-29 04:15:35,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:35,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:35,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312062332] [2020-10-29 04:15:35,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:35,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:35,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:35,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:35,778 INFO L87 Difference]: Start difference. First operand 1457 states and 2045 transitions. Second operand 4 states. [2020-10-29 04:15:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:36,334 INFO L93 Difference]: Finished difference Result 3360 states and 4872 transitions. [2020-10-29 04:15:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:15:36,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2020-10-29 04:15:36,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:36,344 INFO L225 Difference]: With dead ends: 3360 [2020-10-29 04:15:36,344 INFO L226 Difference]: Without dead ends: 1797 [2020-10-29 04:15:36,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:15:36,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2020-10-29 04:15:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1767. [2020-10-29 04:15:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-10-29 04:15:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2495 transitions. [2020-10-29 04:15:36,434 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2495 transitions. Word has length 150 [2020-10-29 04:15:36,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:36,434 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 2495 transitions. [2020-10-29 04:15:36,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:15:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2495 transitions. [2020-10-29 04:15:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-29 04:15:36,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:36,440 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:36,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:15:36,440 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1197375830, now seen corresponding path program 1 times [2020-10-29 04:15:36,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:36,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164377591] [2020-10-29 04:15:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:36,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:36,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:36,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:36,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:36,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:37,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:39,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:40,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:41,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:41,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-29 04:15:41,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 04:15:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 04:15:41,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:41,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:15:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 04:15:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-29 04:15:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:41,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:41,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:41,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:41,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:41,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:15:41,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:41,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 130 proven. 93 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-29 04:15:42,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164377591] [2020-10-29 04:15:42,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:15:42,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:15:42,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240640474] [2020-10-29 04:15:42,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:15:42,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:42,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:15:42,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:15:42,080 INFO L87 Difference]: Start difference. First operand 1767 states and 2495 transitions. Second operand 6 states. [2020-10-29 04:15:43,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:43,722 INFO L93 Difference]: Finished difference Result 6593 states and 9764 transitions. [2020-10-29 04:15:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:15:43,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2020-10-29 04:15:43,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:43,750 INFO L225 Difference]: With dead ends: 6593 [2020-10-29 04:15:43,750 INFO L226 Difference]: Without dead ends: 4840 [2020-10-29 04:15:43,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:15:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2020-10-29 04:15:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 4777. [2020-10-29 04:15:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4777 states. [2020-10-29 04:15:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4777 states to 4777 states and 7200 transitions. [2020-10-29 04:15:43,990 INFO L78 Accepts]: Start accepts. Automaton has 4777 states and 7200 transitions. Word has length 182 [2020-10-29 04:15:43,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:43,990 INFO L481 AbstractCegarLoop]: Abstraction has 4777 states and 7200 transitions. [2020-10-29 04:15:43,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:15:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4777 states and 7200 transitions. [2020-10-29 04:15:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-29 04:15:44,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:44,002 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:44,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:15:44,002 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:44,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:44,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1754167617, now seen corresponding path program 1 times [2020-10-29 04:15:44,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:44,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640757962] [2020-10-29 04:15:44,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:44,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:44,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:49,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:49,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 04:15:49,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 04:15:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 04:15:49,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:49,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:15:49,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-29 04:15:49,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 04:15:49,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:49,398 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-10-29 04:15:49,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:49,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:49,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:49,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:15:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:49,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:49,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 197 proven. 64 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-29 04:15:49,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640757962] [2020-10-29 04:15:49,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:15:49,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:15:49,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926962261] [2020-10-29 04:15:49,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:15:49,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:49,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:15:49,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:15:49,732 INFO L87 Difference]: Start difference. First operand 4777 states and 7200 transitions. Second operand 6 states. [2020-10-29 04:15:52,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:52,158 INFO L93 Difference]: Finished difference Result 11042 states and 16728 transitions. [2020-10-29 04:15:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:15:52,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-10-29 04:15:52,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:52,211 INFO L225 Difference]: With dead ends: 11042 [2020-10-29 04:15:52,212 INFO L226 Difference]: Without dead ends: 8869 [2020-10-29 04:15:52,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:15:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8869 states. [2020-10-29 04:15:52,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8869 to 7767. [2020-10-29 04:15:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7767 states. [2020-10-29 04:15:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7767 states to 7767 states and 11875 transitions. [2020-10-29 04:15:52,742 INFO L78 Accepts]: Start accepts. Automaton has 7767 states and 11875 transitions. Word has length 183 [2020-10-29 04:15:52,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:52,742 INFO L481 AbstractCegarLoop]: Abstraction has 7767 states and 11875 transitions. [2020-10-29 04:15:52,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:15:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 7767 states and 11875 transitions. [2020-10-29 04:15:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-29 04:15:52,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:52,766 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:52,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 04:15:52,767 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:52,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:52,768 INFO L82 PathProgramCache]: Analyzing trace with hash -105927824, now seen corresponding path program 1 times [2020-10-29 04:15:52,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:52,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121308686] [2020-10-29 04:15:52,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:52,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:52,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:53,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:54,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-29 04:15:55,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 04:15:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2290 [2020-10-29 04:15:55,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:55,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:15:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 04:15:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 04:15:55,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:15:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:55,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:55,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:55,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:55,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:15:55,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:55,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 209 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-29 04:15:55,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121308686] [2020-10-29 04:15:55,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:15:55,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:15:55,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853483556] [2020-10-29 04:15:55,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:15:55,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:55,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:15:55,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:15:55,454 INFO L87 Difference]: Start difference. First operand 7767 states and 11875 transitions. Second operand 6 states. [2020-10-29 04:15:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:15:58,340 INFO L93 Difference]: Finished difference Result 16042 states and 24035 transitions. [2020-10-29 04:15:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:15:58,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2020-10-29 04:15:58,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:15:58,391 INFO L225 Difference]: With dead ends: 16042 [2020-10-29 04:15:58,391 INFO L226 Difference]: Without dead ends: 11259 [2020-10-29 04:15:58,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:15:58,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11259 states. [2020-10-29 04:15:58,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11259 to 10127. [2020-10-29 04:15:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10127 states. [2020-10-29 04:15:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10127 states to 10127 states and 15080 transitions. [2020-10-29 04:15:58,990 INFO L78 Accepts]: Start accepts. Automaton has 10127 states and 15080 transitions. Word has length 187 [2020-10-29 04:15:58,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:15:58,990 INFO L481 AbstractCegarLoop]: Abstraction has 10127 states and 15080 transitions. [2020-10-29 04:15:58,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:15:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 10127 states and 15080 transitions. [2020-10-29 04:15:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-29 04:15:59,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:15:59,015 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:15:59,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 04:15:59,015 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:15:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:15:59,016 INFO L82 PathProgramCache]: Analyzing trace with hash -801284111, now seen corresponding path program 1 times [2020-10-29 04:15:59,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:15:59,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077981687] [2020-10-29 04:15:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:15:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:59,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:59,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:59,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-29 04:15:59,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:59,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 04:15:59,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:59,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:15:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-29 04:15:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 04:15:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:15:59,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:15:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:15:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:15:59,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:15:59,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:15:59,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:15:59,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:15:59,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:15:59,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:15:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:15:59,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:15:59,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:15:59,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:15:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-29 04:15:59,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077981687] [2020-10-29 04:15:59,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:15:59,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:15:59,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192838021] [2020-10-29 04:15:59,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:15:59,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:15:59,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:15:59,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:15:59,332 INFO L87 Difference]: Start difference. First operand 10127 states and 15080 transitions. Second operand 4 states. [2020-10-29 04:16:00,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:16:00,332 INFO L93 Difference]: Finished difference Result 18520 states and 27837 transitions. [2020-10-29 04:16:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:16:00,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2020-10-29 04:16:00,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:16:00,360 INFO L225 Difference]: With dead ends: 18520 [2020-10-29 04:16:00,360 INFO L226 Difference]: Without dead ends: 11417 [2020-10-29 04:16:00,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:16:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2020-10-29 04:16:00,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 11357. [2020-10-29 04:16:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11357 states. [2020-10-29 04:16:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11357 states to 11357 states and 16190 transitions. [2020-10-29 04:16:00,963 INFO L78 Accepts]: Start accepts. Automaton has 11357 states and 16190 transitions. Word has length 190 [2020-10-29 04:16:00,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:16:00,964 INFO L481 AbstractCegarLoop]: Abstraction has 11357 states and 16190 transitions. [2020-10-29 04:16:00,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:16:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 11357 states and 16190 transitions. [2020-10-29 04:16:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-29 04:16:00,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:16:00,991 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-29 04:16:00,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 04:16:00,991 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:16:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:16:00,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1827236091, now seen corresponding path program 1 times [2020-10-29 04:16:00,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:16:00,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621611380] [2020-10-29 04:16:00,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:16:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:01,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:01,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:01,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-29 04:16:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 04:16:01,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:01,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:16:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:01,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:01,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:01,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:16:01,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:16:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:16:01,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:01,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:16:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:16:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:16:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-29 04:16:01,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621611380] [2020-10-29 04:16:01,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:16:01,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:16:01,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016024165] [2020-10-29 04:16:01,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:16:01,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:16:01,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:16:01,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:16:01,219 INFO L87 Difference]: Start difference. First operand 11357 states and 16190 transitions. Second operand 4 states. [2020-10-29 04:16:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:16:02,125 INFO L93 Difference]: Finished difference Result 23940 states and 34162 transitions. [2020-10-29 04:16:02,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:16:02,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2020-10-29 04:16:02,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:16:02,157 INFO L225 Difference]: With dead ends: 23940 [2020-10-29 04:16:02,157 INFO L226 Difference]: Without dead ends: 12597 [2020-10-29 04:16:02,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:16:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12597 states. [2020-10-29 04:16:02,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12597 to 12277. [2020-10-29 04:16:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12277 states. [2020-10-29 04:16:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12277 states to 12277 states and 17310 transitions. [2020-10-29 04:16:02,726 INFO L78 Accepts]: Start accepts. Automaton has 12277 states and 17310 transitions. Word has length 232 [2020-10-29 04:16:02,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:16:02,727 INFO L481 AbstractCegarLoop]: Abstraction has 12277 states and 17310 transitions. [2020-10-29 04:16:02,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:16:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 12277 states and 17310 transitions. [2020-10-29 04:16:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-29 04:16:02,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:16:02,754 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-29 04:16:02,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 04:16:02,754 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:16:02,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:16:02,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1411829898, now seen corresponding path program 1 times [2020-10-29 04:16:02,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:16:02,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201726247] [2020-10-29 04:16:02,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:16:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:02,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:02,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-29 04:16:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:16:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 04:16:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:02,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 04:16:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-29 04:16:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 04:16:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:16:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:02,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:02,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:02,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:16:02,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:16:02,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:16:02,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:02,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:02,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:16:02,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:16:02,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:16:02,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-29 04:16:03,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201726247] [2020-10-29 04:16:03,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:16:03,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:16:03,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745899954] [2020-10-29 04:16:03,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:16:03,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:16:03,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:16:03,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:16:03,109 INFO L87 Difference]: Start difference. First operand 12277 states and 17310 transitions. Second operand 5 states. [2020-10-29 04:16:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:16:04,268 INFO L93 Difference]: Finished difference Result 27700 states and 39642 transitions. [2020-10-29 04:16:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 04:16:04,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-29 04:16:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:16:04,291 INFO L225 Difference]: With dead ends: 27700 [2020-10-29 04:16:04,292 INFO L226 Difference]: Without dead ends: 9323 [2020-10-29 04:16:04,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:16:04,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9323 states. [2020-10-29 04:16:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9323 to 8554. [2020-10-29 04:16:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8554 states. [2020-10-29 04:16:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8554 states to 8554 states and 11838 transitions. [2020-10-29 04:16:04,942 INFO L78 Accepts]: Start accepts. Automaton has 8554 states and 11838 transitions. Word has length 260 [2020-10-29 04:16:04,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:16:04,942 INFO L481 AbstractCegarLoop]: Abstraction has 8554 states and 11838 transitions. [2020-10-29 04:16:04,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:16:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 8554 states and 11838 transitions. [2020-10-29 04:16:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-29 04:16:04,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:16:04,962 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 04:16:04,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 04:16:04,963 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:16:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:16:04,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1183006630, now seen corresponding path program 1 times [2020-10-29 04:16:04,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:16:04,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265700245] [2020-10-29 04:16:04,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:16:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:05,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:05,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:05,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:05,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:05,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-29 04:16:05,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:16:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 787 [2020-10-29 04:16:05,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:05,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:16:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 226 [2020-10-29 04:16:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 04:16:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:05,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:16:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:05,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:05,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:05,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:16:05,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:16:05,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:16:05,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:05,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:05,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:16:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:16:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:16:05,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2020-10-29 04:16:05,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265700245] [2020-10-29 04:16:05,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:16:05,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:16:05,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251607977] [2020-10-29 04:16:05,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:16:05,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:16:05,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:16:05,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:16:05,955 INFO L87 Difference]: Start difference. First operand 8554 states and 11838 transitions. Second operand 4 states. [2020-10-29 04:16:06,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:16:06,621 INFO L93 Difference]: Finished difference Result 18555 states and 26181 transitions. [2020-10-29 04:16:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:16:06,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-10-29 04:16:06,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:16:06,644 INFO L225 Difference]: With dead ends: 18555 [2020-10-29 04:16:06,644 INFO L226 Difference]: Without dead ends: 9715 [2020-10-29 04:16:06,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:16:06,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9715 states. [2020-10-29 04:16:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9715 to 9229. [2020-10-29 04:16:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9229 states. [2020-10-29 04:16:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9229 states to 9229 states and 12942 transitions. [2020-10-29 04:16:07,107 INFO L78 Accepts]: Start accepts. Automaton has 9229 states and 12942 transitions. Word has length 261 [2020-10-29 04:16:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:16:07,108 INFO L481 AbstractCegarLoop]: Abstraction has 9229 states and 12942 transitions. [2020-10-29 04:16:07,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:16:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 9229 states and 12942 transitions. [2020-10-29 04:16:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-29 04:16:07,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:16:07,137 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:16:07,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 04:16:07,137 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:16:07,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:16:07,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1881245707, now seen corresponding path program 1 times [2020-10-29 04:16:07,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:16:07,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312634527] [2020-10-29 04:16:07,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:16:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:07,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:07,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:07,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:07,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:08,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:09,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:09,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-29 04:16:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 04:16:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2103 [2020-10-29 04:16:09,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:09,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:09,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 04:16:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-29 04:16:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 04:16:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:09,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:16:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:16:09,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:16:09,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:16:09,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:16:09,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:16:09,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:16:09,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:16:09,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:16:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:16:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:16:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:16:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:16:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 421 proven. 68 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-29 04:16:09,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312634527] [2020-10-29 04:16:09,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:16:09,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:16:09,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989523870] [2020-10-29 04:16:09,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:16:09,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:16:09,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:16:09,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:16:09,430 INFO L87 Difference]: Start difference. First operand 9229 states and 12942 transitions. Second operand 5 states. [2020-10-29 04:16:10,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:16:10,386 INFO L93 Difference]: Finished difference Result 13515 states and 18889 transitions. [2020-10-29 04:16:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 04:16:10,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 276 [2020-10-29 04:16:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:16:10,387 INFO L225 Difference]: With dead ends: 13515 [2020-10-29 04:16:10,387 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:16:10,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:16:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:16:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:16:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:16:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:16:10,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2020-10-29 04:16:10,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:16:10,407 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:16:10,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:16:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:16:10,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:16:10,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 04:16:10,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:16:10,816 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 121 [2020-10-29 04:16:10,983 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 92 [2020-10-29 04:16:11,394 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 110 [2020-10-29 04:16:11,658 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 84 [2020-10-29 04:16:11,850 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 94 [2020-10-29 04:16:12,184 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 105 [2020-10-29 04:16:12,298 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 97 [2020-10-29 04:16:12,609 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 105 [2020-10-29 04:16:12,946 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 86 [2020-10-29 04:16:13,142 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 93 [2020-10-29 04:16:13,537 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2020-10-29 04:16:13,685 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 27 [2020-10-29 04:16:13,832 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:14,051 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2020-10-29 04:16:14,476 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 40 [2020-10-29 04:16:14,642 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-10-29 04:16:14,793 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:14,943 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:15,158 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2020-10-29 04:16:15,738 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2020-10-29 04:16:15,931 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2020-10-29 04:16:16,476 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2020-10-29 04:16:16,617 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:16,758 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:16,923 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-10-29 04:16:17,052 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2020-10-29 04:16:17,199 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 27 [2020-10-29 04:16:17,362 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2020-10-29 04:16:17,499 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:17,645 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-29 04:16:17,650 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 04:16:17,650 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 04:16:17,650 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 04:16:17,650 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 04:16:17,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:16:17,651 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 04:16:17,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:16:17,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:16:17,651 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 04:16:17,651 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:16:17,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:16:17,652 INFO L277 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-10-29 04:16:17,652 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 679 690) the Hoare annotation is: true [2020-10-29 04:16:17,652 INFO L274 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-29 04:16:17,652 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 679 690) no Hoare annotation was computed. [2020-10-29 04:16:17,652 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 679 690) no Hoare annotation was computed. [2020-10-29 04:16:17,652 INFO L274 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-10-29 04:16:17,653 INFO L274 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-29 04:16:17,653 INFO L274 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-10-29 04:16:17,653 INFO L274 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-29 04:16:17,653 INFO L274 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-10-29 04:16:17,653 INFO L274 CegarLoopResult]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2020-10-29 04:16:17,653 INFO L274 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L235(lines 235 240) no Hoare annotation was computed. [2020-10-29 04:16:17,654 INFO L274 CegarLoopResult]: For program point L202(lines 202 596) no Hoare annotation was computed. [2020-10-29 04:16:17,655 INFO L274 CegarLoopResult]: For program point L169(lines 169 607) no Hoare annotation was computed. [2020-10-29 04:16:17,655 INFO L274 CegarLoopResult]: For program point L136(lines 136 618) no Hoare annotation was computed. [2020-10-29 04:16:17,655 INFO L270 CegarLoopResult]: At program point L103-2(lines 103 659) the Hoare annotation is: (let ((.cse10 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse11 (* (div .cse10 4294967296) 4294967296))) (let ((.cse8 (not (= .cse10 (+ .cse11 8672))))) (let ((.cse4 (<= ssl3_accept_~blastFlag~0 1)) (.cse2 (or (= .cse10 (+ .cse11 ssl3_accept_~s__state~0)) .cse8)) (.cse7 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse9 (= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= 8672 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ssl3_accept_~s__state~0 8656) .cse1) (and .cse4 .cse5 .cse6) (and .cse7 .cse8) (and .cse4 .cse2) (and .cse0 .cse7) (and .cse0 .cse9 .cse5) (and (= ssl3_accept_~s__state~0 8640) .cse0 .cse9) (and .cse1 .cse3 .cse8) (<= ssl3_accept_~blastFlag~0 0) (and .cse5 .cse1 .cse6 .cse8)))))) [2020-10-29 04:16:17,655 INFO L270 CegarLoopResult]: At program point L170(lines 169 607) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (not (= ssl3_accept_~s__hit~0 0))) (.cse1 (<= ssl3_accept_~s__state~0 8448)) (.cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse2 (not (let ((.cse5 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse5 (+ (* (div .cse5 4294967296) 4294967296) 8672)))))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse4) (and .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse3 (= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1) (and .cse1 (<= ssl3_accept_~blastFlag~0 3) .cse4 .cse2))) [2020-10-29 04:16:17,656 INFO L270 CegarLoopResult]: At program point L137(lines 130 620) the Hoare annotation is: (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse4 (* (div .cse3 4294967296) 4294967296))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 3) (= .cse3 (+ .cse4 8656))) (and .cse0 .cse2 (not (= .cse3 (+ .cse4 8672))))))) [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L205(lines 205 595) no Hoare annotation was computed. [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L172(lines 172 606) no Hoare annotation was computed. [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L139(lines 139 617) no Hoare annotation was computed. [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L106(lines 106 628) no Hoare annotation was computed. [2020-10-29 04:16:17,656 INFO L274 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-10-29 04:16:17,657 INFO L270 CegarLoopResult]: At program point L206(lines 202 596) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8672 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1))) [2020-10-29 04:16:17,657 INFO L277 CegarLoopResult]: At program point L107(lines 106 628) the Hoare annotation is: true [2020-10-29 04:16:17,657 INFO L274 CegarLoopResult]: For program point L471(lines 471 482) no Hoare annotation was computed. [2020-10-29 04:16:17,657 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-10-29 04:16:17,657 INFO L270 CegarLoopResult]: At program point L372(lines 355 390) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,658 INFO L270 CegarLoopResult]: At program point L406(lines 397 428) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,658 INFO L274 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-10-29 04:16:17,658 INFO L274 CegarLoopResult]: For program point L208(lines 208 594) no Hoare annotation was computed. [2020-10-29 04:16:17,658 INFO L274 CegarLoopResult]: For program point L175(lines 175 605) no Hoare annotation was computed. [2020-10-29 04:16:17,658 INFO L274 CegarLoopResult]: For program point L142(lines 142 616) no Hoare annotation was computed. [2020-10-29 04:16:17,658 INFO L274 CegarLoopResult]: For program point L109(lines 109 627) no Hoare annotation was computed. [2020-10-29 04:16:17,658 INFO L274 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-10-29 04:16:17,658 INFO L277 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 11 678) the Hoare annotation is: true [2020-10-29 04:16:17,659 INFO L274 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-10-29 04:16:17,659 INFO L277 CegarLoopResult]: At program point L209(lines 208 594) the Hoare annotation is: true [2020-10-29 04:16:17,659 INFO L270 CegarLoopResult]: At program point L176(lines 172 606) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,659 INFO L270 CegarLoopResult]: At program point L143(lines 139 617) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,659 INFO L274 CegarLoopResult]: For program point L77(lines 77 85) no Hoare annotation was computed. [2020-10-29 04:16:17,659 INFO L274 CegarLoopResult]: For program point L408(lines 408 414) no Hoare annotation was computed. [2020-10-29 04:16:17,659 INFO L274 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L178(lines 178 604) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L145(lines 145 615) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L112(lines 112 626) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-10-29 04:16:17,660 INFO L274 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L277 CegarLoopResult]: At program point L212(lines 211 593) the Hoare annotation is: true [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L277 CegarLoopResult]: At program point L675(lines 68 677) the Hoare annotation is: true [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L543(lines 543 548) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L181(lines 181 603) no Hoare annotation was computed. [2020-10-29 04:16:17,661 INFO L274 CegarLoopResult]: For program point L148(lines 148 614) no Hoare annotation was computed. [2020-10-29 04:16:17,662 INFO L274 CegarLoopResult]: For program point L115(lines 115 625) no Hoare annotation was computed. [2020-10-29 04:16:17,662 INFO L274 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-10-29 04:16:17,662 INFO L274 CegarLoopResult]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2020-10-29 04:16:17,662 INFO L270 CegarLoopResult]: At program point L182(lines 178 604) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,662 INFO L270 CegarLoopResult]: At program point L149(lines 145 615) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8528)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 (not (= ssl3_accept_~s__state~0 8672))))) [2020-10-29 04:16:17,662 INFO L277 CegarLoopResult]: At program point L216(lines 109 627) the Hoare annotation is: true [2020-10-29 04:16:17,662 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L184(lines 184 602) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L151(lines 151 613) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L118(lines 118 624) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L270 CegarLoopResult]: At program point L416(lines 407 427) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-10-29 04:16:17,663 INFO L274 CegarLoopResult]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L87(lines 87 95) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L451(lines 451 456) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L187(lines 187 601) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L154(lines 154 612) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L121(lines 121 623) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L88(lines 88 92) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-10-29 04:16:17,664 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-10-29 04:16:17,665 INFO L270 CegarLoopResult]: At program point L188(lines 184 602) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,665 INFO L270 CegarLoopResult]: At program point L155(lines 151 613) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,665 INFO L274 CegarLoopResult]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2020-10-29 04:16:17,665 INFO L274 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 11 678) no Hoare annotation was computed. [2020-10-29 04:16:17,665 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-10-29 04:16:17,665 INFO L274 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-29 04:16:17,665 INFO L274 CegarLoopResult]: For program point L190(lines 190 600) no Hoare annotation was computed. [2020-10-29 04:16:17,666 INFO L274 CegarLoopResult]: For program point L157(lines 157 611) no Hoare annotation was computed. [2020-10-29 04:16:17,666 INFO L274 CegarLoopResult]: For program point L124(lines 124 622) no Hoare annotation was computed. [2020-10-29 04:16:17,666 INFO L270 CegarLoopResult]: At program point L554(lines 68 677) the Hoare annotation is: false [2020-10-29 04:16:17,666 INFO L270 CegarLoopResult]: At program point L125(lines 121 623) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,666 INFO L274 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 11 678) no Hoare annotation was computed. [2020-10-29 04:16:17,666 INFO L274 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-10-29 04:16:17,666 INFO L274 CegarLoopResult]: For program point L358(lines 358 389) no Hoare annotation was computed. [2020-10-29 04:16:17,666 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L274 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L274 CegarLoopResult]: For program point L193(lines 193 599) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L274 CegarLoopResult]: For program point L160(lines 160 610) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L274 CegarLoopResult]: For program point L127(lines 127 621) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L274 CegarLoopResult]: For program point L524(lines 524 529) no Hoare annotation was computed. [2020-10-29 04:16:17,667 INFO L270 CegarLoopResult]: At program point L194(lines 190 600) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse1 .cse2 .cse0) (and (= ssl3_accept_~s__state~0 8640) .cse1 (= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (and .cse2 .cse0 (not (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse3 (+ (* (div .cse3 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,667 INFO L270 CegarLoopResult]: At program point L161(lines 157 611) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,668 INFO L270 CegarLoopResult]: At program point L128(lines 127 621) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,668 INFO L270 CegarLoopResult]: At program point L591(lines 103 659) the Hoare annotation is: (let ((.cse10 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse11 (* (div .cse10 4294967296) 4294967296))) (let ((.cse8 (not (= .cse10 (+ .cse11 8672))))) (let ((.cse4 (<= ssl3_accept_~blastFlag~0 1)) (.cse2 (or (= .cse10 (+ .cse11 ssl3_accept_~s__state~0)) .cse8)) (.cse7 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse9 (= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= 8672 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ssl3_accept_~s__state~0 8656) .cse1) (and .cse4 .cse5 .cse6) (and .cse7 .cse8) (and .cse4 .cse2) (and .cse0 .cse7) (and .cse0 .cse9 .cse5) (and (= ssl3_accept_~s__state~0 8640) .cse0 .cse9) (and .cse1 .cse3 .cse8) (<= ssl3_accept_~blastFlag~0 0) (and .cse5 .cse1 .cse6 .cse8)))))) [2020-10-29 04:16:17,669 INFO L274 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-10-29 04:16:17,669 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-10-29 04:16:17,669 INFO L274 CegarLoopResult]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2020-10-29 04:16:17,669 INFO L274 CegarLoopResult]: For program point L361(lines 361 388) no Hoare annotation was computed. [2020-10-29 04:16:17,669 INFO L274 CegarLoopResult]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2020-10-29 04:16:17,669 INFO L274 CegarLoopResult]: For program point L196(lines 196 598) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L163(lines 163 609) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L130(lines 130 620) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L277 CegarLoopResult]: At program point L660(lines 102 661) the Hoare annotation is: true [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L397(lines 397 428) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L199(lines 199 597) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L166(lines 166 608) no Hoare annotation was computed. [2020-10-29 04:16:17,670 INFO L274 CegarLoopResult]: For program point L133(lines 133 619) no Hoare annotation was computed. [2020-10-29 04:16:17,671 INFO L274 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-10-29 04:16:17,671 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-10-29 04:16:17,671 INFO L274 CegarLoopResult]: For program point L365(lines 365 384) no Hoare annotation was computed. [2020-10-29 04:16:17,671 INFO L274 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-10-29 04:16:17,671 INFO L270 CegarLoopResult]: At program point L200(lines 196 598) the Hoare annotation is: (let ((.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~blastFlag~0 2) .cse0 (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,671 INFO L270 CegarLoopResult]: At program point L167(lines 163 609) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse0) (and .cse1 .cse0 (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-29 04:16:17,671 INFO L274 CegarLoopResult]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2020-10-29 04:16:17,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:16:17 BoogieIcfgContainer [2020-10-29 04:16:17,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:16:17,725 INFO L168 Benchmark]: Toolchain (without parser) took 51648.40 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 984.6 MB). Free memory was 111.2 MB in the beginning and 589.3 MB in the end (delta: -478.1 MB). Peak memory consumption was 704.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:16:17,726 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 155.2 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:16:17,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.09 ms. Allocated memory is still 155.2 MB. Free memory was 110.6 MB in the beginning and 136.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:16:17,727 INFO L168 Benchmark]: Boogie Preprocessor took 108.41 ms. Allocated memory is still 155.2 MB. Free memory was 136.8 MB in the beginning and 134.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:16:17,727 INFO L168 Benchmark]: RCFGBuilder took 905.37 ms. Allocated memory is still 155.2 MB. Free memory was 134.2 MB in the beginning and 84.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:16:17,731 INFO L168 Benchmark]: TraceAbstraction took 50068.91 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 984.6 MB). Free memory was 84.4 MB in the beginning and 589.3 MB in the end (delta: -504.9 MB). Peak memory consumption was 678.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:16:17,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 155.2 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 539.09 ms. Allocated memory is still 155.2 MB. Free memory was 110.6 MB in the beginning and 136.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 108.41 ms. Allocated memory is still 155.2 MB. Free memory was 136.8 MB in the beginning and 134.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 905.37 ms. Allocated memory is still 155.2 MB. Free memory was 134.2 MB in the beginning and 84.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50068.91 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 984.6 MB). Free memory was 84.4 MB in the beginning and 589.3 MB in the end (delta: -504.9 MB). Peak memory consumption was 678.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 202]: Loop Invariant Derived loop invariant: (((blastFlag <= 3 && 8672 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (blastFlag <= 1 && 8672 <= s__state)) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || (((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 3) && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) || ((s__state <= 8512 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && s__state <= 8448) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && s__state <= 8448)) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (s__state <= 8448 && blastFlag <= 0)) || ((!(s__hit == 0) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448)) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || ((s__state <= 8512 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((s__state == 8640 && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0)) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((((!(s__hit == 0) && blastFlag <= 3) && (ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state || !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) && 8672 <= s__state) || ((!(s__hit == 0) && s__state == 8656) && blastFlag <= 3)) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 2 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (blastFlag <= 1 && (ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state || !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)))) || (!(s__hit == 0) && blastFlag <= 2)) || ((!(s__hit == 0) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448)) || ((s__state == 8640 && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0)) || ((blastFlag <= 3 && 8672 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || blastFlag <= 0) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || ((s__state <= 8512 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((((!(s__hit == 0) && blastFlag <= 3) && (ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state || !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) && 8672 <= s__state) || ((!(s__hit == 0) && s__state == 8656) && blastFlag <= 3)) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 2 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (blastFlag <= 1 && (ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state || !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)))) || (!(s__hit == 0) && blastFlag <= 2)) || ((!(s__hit == 0) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448)) || ((s__state == 8640 && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0)) || ((blastFlag <= 3 && 8672 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || blastFlag <= 0) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || ((s__state <= 8512 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((!(s__state == 8672) && blastFlag <= 0) || ((!(s__hit == 0) && !(s__state == 8672)) && blastFlag <= 3)) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((s__state <= 8528 && blastFlag <= 0) || ((s__state <= 8528 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672)) - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((blastFlag <= 0 && !(s__state == 8672)) || ((!(s__hit == 0) && blastFlag <= 2) && !(s__state == 8672))) || ((blastFlag <= 2 && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.6s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3632 SDtfs, 5184 SDslu, 161 SDs, 0 SdLazy, 5671 SolverSat, 435 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12277occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 3975 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 48 PreInvPairs, 979 NumberOfFragments, 1528 HoareAnnotationTreeSize, 48 FomulaSimplifications, 237252 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 34 FomulaSimplificationsInter, 11522 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.9s InterpolantComputationTime, 2493 NumberOfCodeBlocks, 2493 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2478 ConstructedInterpolants, 0 QuantifiedInterpolants, 3117678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 3855/4138 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...