/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:10:51,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:10:51,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:10:51,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:10:51,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:10:51,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:10:51,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:10:51,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:10:51,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:10:51,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:10:51,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:10:51,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:10:51,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:10:51,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:10:51,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:10:51,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:10:51,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:10:51,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:10:51,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:10:51,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:10:51,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:10:51,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:10:51,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:10:51,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:10:51,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:10:51,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:10:51,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:10:51,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:10:51,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:10:51,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:10:51,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:10:51,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:10:51,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:10:51,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:10:51,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:10:51,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:10:51,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:10:51,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:10:51,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:10:51,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:10:51,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:10:51,547 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 [2020-09-24 16:10:51,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:10:51,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:10:51,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:10:51,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:10:51,577 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:10:51,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:10:51,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:10:51,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:10:51,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:10:51,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:10:51,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:10:51,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:10:51,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:10:51,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:10:51,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:10:51,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:10:51,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:10:51,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:10:51,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:10:51,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:10:51,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:10:51,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:10:51,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:10:51,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:10:51,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:10:51,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:10:51,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:10:51,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:10:51,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:10:51,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:10:52,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:10:52,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:10:52,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:10:52,077 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:10:52,080 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:10:52,081 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-09-24 16:10:52,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b066b7e3c/33bd8a90402b4445981aa9216cd18266/FLAG666a3b90b [2020-09-24 16:10:52,743 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:10:52,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-09-24 16:10:52,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b066b7e3c/33bd8a90402b4445981aa9216cd18266/FLAG666a3b90b [2020-09-24 16:10:53,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b066b7e3c/33bd8a90402b4445981aa9216cd18266 [2020-09-24 16:10:53,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:10:53,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:10:53,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:10:53,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:10:53,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:10:53,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fa8e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53, skipping insertion in model container [2020-09-24 16:10:53,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:10:53,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:10:53,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:10:53,513 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:10:53,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:10:53,714 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:10:53,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53 WrapperNode [2020-09-24 16:10:53,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:10:53,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:10:53,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:10:53,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:10:53,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (1/1) ... [2020-09-24 16:10:53,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:10:53,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:10:53,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:10:53,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:10:53,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (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 [2020-09-24 16:10:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:10:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:10:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:10:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:10:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:10:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:10:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:10:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 16:10:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:10:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:10:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:10:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:10:54,482 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:10:54,482 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 16:10:54,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:54 BoogieIcfgContainer [2020-09-24 16:10:54,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:10:54,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:10:54,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:10:54,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:10:54,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:10:53" (1/3) ... [2020-09-24 16:10:54,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28192104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:54, skipping insertion in model container [2020-09-24 16:10:54,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53" (2/3) ... [2020-09-24 16:10:54,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28192104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:54, skipping insertion in model container [2020-09-24 16:10:54,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:54" (3/3) ... [2020-09-24 16:10:54,501 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2020-09-24 16:10:54,514 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:10:54,525 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-24 16:10:54,548 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-24 16:10:54,585 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:10:54,585 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:10:54,585 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:10:54,586 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:10:54,586 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:10:54,586 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:10:54,586 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:10:54,586 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:10:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-09-24 16:10:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 16:10:54,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:54,633 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] [2020-09-24 16:10:54,634 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:54,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:54,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2016263875, now seen corresponding path program 1 times [2020-09-24 16:10:54,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:54,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733795467] [2020-09-24 16:10:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:54,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:54,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:54,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:54,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:54,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:10:54,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:54,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 16:10:54,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:10:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:10:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:10:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:10:54,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:55,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:55,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:55,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:55,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:55,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:55,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:10:55,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:55,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733795467] [2020-09-24 16:10:55,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:55,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:10:55,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532456983] [2020-09-24 16:10:55,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:10:55,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:55,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:10:55,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:10:55,050 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 7 states. [2020-09-24 16:10:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:55,865 INFO L93 Difference]: Finished difference Result 290 states and 336 transitions. [2020-09-24 16:10:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:10:55,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-09-24 16:10:55,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:55,884 INFO L225 Difference]: With dead ends: 290 [2020-09-24 16:10:55,884 INFO L226 Difference]: Without dead ends: 239 [2020-09-24 16:10:55,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:10:55,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-09-24 16:10:55,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 187. [2020-09-24 16:10:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-24 16:10:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 190 transitions. [2020-09-24 16:10:55,958 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 190 transitions. Word has length 38 [2020-09-24 16:10:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:55,958 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 190 transitions. [2020-09-24 16:10:55,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:10:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 190 transitions. [2020-09-24 16:10:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 16:10:55,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:55,960 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] [2020-09-24 16:10:55,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:10:55,961 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:55,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1105206656, now seen corresponding path program 1 times [2020-09-24 16:10:55,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:55,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156688896] [2020-09-24 16:10:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:56,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:56,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:56,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:56,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:10:56,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:56,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:10:56,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:10:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 16:10:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:10:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:56,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:56,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:56,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:56,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:56,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:56,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:56,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:56,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:10:56,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:56,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:56,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156688896] [2020-09-24 16:10:56,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:56,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:10:56,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30618660] [2020-09-24 16:10:56,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:10:56,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:56,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:10:56,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:10:56,137 INFO L87 Difference]: Start difference. First operand 187 states and 190 transitions. Second operand 8 states. [2020-09-24 16:10:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:56,436 INFO L93 Difference]: Finished difference Result 187 states and 190 transitions. [2020-09-24 16:10:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:10:56,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-24 16:10:56,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:56,441 INFO L225 Difference]: With dead ends: 187 [2020-09-24 16:10:56,442 INFO L226 Difference]: Without dead ends: 185 [2020-09-24 16:10:56,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:10:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-09-24 16:10:56,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-09-24 16:10:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-09-24 16:10:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 188 transitions. [2020-09-24 16:10:56,487 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 188 transitions. Word has length 43 [2020-09-24 16:10:56,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:56,488 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 188 transitions. [2020-09-24 16:10:56,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:10:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 188 transitions. [2020-09-24 16:10:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:10:56,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:56,492 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, 1, 1] [2020-09-24 16:10:56,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:10:56,492 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:56,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:56,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1193283001, now seen corresponding path program 1 times [2020-09-24 16:10:56,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:56,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579920880] [2020-09-24 16:10:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:56,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:56,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:56,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:10:56,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:56,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 16:10:56,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:10:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:10:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:10:56,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 16:10:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:56,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:56,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:56,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:56,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:56,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:56,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:56,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:10:56,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:56,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:56,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:56,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:56,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:56,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579920880] [2020-09-24 16:10:56,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:56,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:10:56,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656192232] [2020-09-24 16:10:56,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:10:56,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:56,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:10:56,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:10:56,680 INFO L87 Difference]: Start difference. First operand 185 states and 188 transitions. Second operand 7 states. [2020-09-24 16:10:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:57,218 INFO L93 Difference]: Finished difference Result 237 states and 242 transitions. [2020-09-24 16:10:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:10:57,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 16:10:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:57,223 INFO L225 Difference]: With dead ends: 237 [2020-09-24 16:10:57,223 INFO L226 Difference]: Without dead ends: 235 [2020-09-24 16:10:57,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:10:57,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-09-24 16:10:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 183. [2020-09-24 16:10:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-09-24 16:10:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 186 transitions. [2020-09-24 16:10:57,241 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 186 transitions. Word has length 53 [2020-09-24 16:10:57,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:57,242 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 186 transitions. [2020-09-24 16:10:57,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:10:57,242 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 186 transitions. [2020-09-24 16:10:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 16:10:57,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:57,244 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:10:57,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:10:57,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:57,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1236242579, now seen corresponding path program 1 times [2020-09-24 16:10:57,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:57,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952084604] [2020-09-24 16:10:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:57,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:57,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:57,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:57,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:57,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 16:10:57,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:57,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 16:10:57,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:10:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 16:10:57,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 16:10:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:57,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:57,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:57,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:57,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:57,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:57,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:57,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:57,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:10:57,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:57,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:57,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952084604] [2020-09-24 16:10:57,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:57,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:10:57,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158429220] [2020-09-24 16:10:57,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:10:57,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:57,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:10:57,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:10:57,414 INFO L87 Difference]: Start difference. First operand 183 states and 186 transitions. Second operand 7 states. [2020-09-24 16:10:57,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:57,700 INFO L93 Difference]: Finished difference Result 183 states and 186 transitions. [2020-09-24 16:10:57,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:10:57,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-09-24 16:10:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:57,702 INFO L225 Difference]: With dead ends: 183 [2020-09-24 16:10:57,702 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 16:10:57,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:10:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 16:10:57,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-24 16:10:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 16:10:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 184 transitions. [2020-09-24 16:10:57,714 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 184 transitions. Word has length 58 [2020-09-24 16:10:57,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:57,714 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 184 transitions. [2020-09-24 16:10:57,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:10:57,715 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 184 transitions. [2020-09-24 16:10:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-24 16:10:57,717 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:57,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:10:57,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:10:57,717 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:57,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:57,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1703094031, now seen corresponding path program 1 times [2020-09-24 16:10:57,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:57,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765032421] [2020-09-24 16:10:57,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:57,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:57,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:57,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:57,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:57,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 16:10:57,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:57,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:10:57,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:10:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 16:10:57,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:10:57,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:57,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:57,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:57,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:57,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:57,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:57,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:57,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:10:57,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:57,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765032421] [2020-09-24 16:10:57,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:57,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:10:57,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523000872] [2020-09-24 16:10:57,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:10:57,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:57,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:10:57,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:10:57,861 INFO L87 Difference]: Start difference. First operand 181 states and 184 transitions. Second operand 8 states. [2020-09-24 16:10:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:58,897 INFO L93 Difference]: Finished difference Result 334 states and 341 transitions. [2020-09-24 16:10:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:10:58,898 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-09-24 16:10:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:58,902 INFO L225 Difference]: With dead ends: 334 [2020-09-24 16:10:58,903 INFO L226 Difference]: Without dead ends: 332 [2020-09-24 16:10:58,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-09-24 16:10:58,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-09-24 16:10:58,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 192. [2020-09-24 16:10:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-09-24 16:10:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 197 transitions. [2020-09-24 16:10:58,929 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 197 transitions. Word has length 64 [2020-09-24 16:10:58,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:58,932 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 197 transitions. [2020-09-24 16:10:58,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:10:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 197 transitions. [2020-09-24 16:10:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 16:10:58,933 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:58,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:10:58,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:10:58,935 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:58,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:58,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1179531825, now seen corresponding path program 1 times [2020-09-24 16:10:58,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:58,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072480199] [2020-09-24 16:10:58,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:58,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:58,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:58,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:59,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:59,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 16:10:59,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:59,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 16:10:59,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:10:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 16:10:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:10:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:59,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:59,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:59,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:59,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:59,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:59,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:59,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:59,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:10:59,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 16:10:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:59,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072480199] [2020-09-24 16:10:59,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:59,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:10:59,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648534852] [2020-09-24 16:10:59,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:10:59,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:59,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:10:59,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:10:59,137 INFO L87 Difference]: Start difference. First operand 192 states and 197 transitions. Second operand 8 states. [2020-09-24 16:11:00,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:00,666 INFO L93 Difference]: Finished difference Result 471 states and 480 transitions. [2020-09-24 16:11:00,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:11:00,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-24 16:11:00,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:00,671 INFO L225 Difference]: With dead ends: 471 [2020-09-24 16:11:00,671 INFO L226 Difference]: Without dead ends: 469 [2020-09-24 16:11:00,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:00,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-09-24 16:11:00,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 197. [2020-09-24 16:11:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-09-24 16:11:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 202 transitions. [2020-09-24 16:11:00,683 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 202 transitions. Word has length 69 [2020-09-24 16:11:00,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:00,684 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 202 transitions. [2020-09-24 16:11:00,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 202 transitions. [2020-09-24 16:11:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 16:11:00,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:00,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:00,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 16:11:00,686 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:00,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:00,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1472635957, now seen corresponding path program 1 times [2020-09-24 16:11:00,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:00,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603187399] [2020-09-24 16:11:00,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:00,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:00,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:00,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:00,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:00,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 16:11:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:11:00,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 16:11:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:11:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:00,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:00,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:00,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:00,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:00,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603187399] [2020-09-24 16:11:00,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:00,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:00,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340066654] [2020-09-24 16:11:00,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:00,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:00,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:00,823 INFO L87 Difference]: Start difference. First operand 197 states and 202 transitions. Second operand 8 states. [2020-09-24 16:11:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:01,287 INFO L93 Difference]: Finished difference Result 197 states and 202 transitions. [2020-09-24 16:11:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:01,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-24 16:11:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:01,289 INFO L225 Difference]: With dead ends: 197 [2020-09-24 16:11:01,289 INFO L226 Difference]: Without dead ends: 195 [2020-09-24 16:11:01,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:11:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-24 16:11:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-09-24 16:11:01,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-24 16:11:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 200 transitions. [2020-09-24 16:11:01,304 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 200 transitions. Word has length 69 [2020-09-24 16:11:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:01,304 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 200 transitions. [2020-09-24 16:11:01,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2020-09-24 16:11:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-24 16:11:01,311 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:01,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:01,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 16:11:01,312 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:01,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:01,312 INFO L82 PathProgramCache]: Analyzing trace with hash 645172388, now seen corresponding path program 1 times [2020-09-24 16:11:01,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:01,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718002945] [2020-09-24 16:11:01,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:01,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:01,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:01,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:01,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:01,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 16:11:01,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:11:01,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 16:11:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:11:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:01,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:01,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:01,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:01,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:01,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:01,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718002945] [2020-09-24 16:11:01,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:01,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:01,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138056999] [2020-09-24 16:11:01,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:01,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:01,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:01,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:01,499 INFO L87 Difference]: Start difference. First operand 195 states and 200 transitions. Second operand 8 states. [2020-09-24 16:11:02,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:02,360 INFO L93 Difference]: Finished difference Result 297 states and 303 transitions. [2020-09-24 16:11:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:02,360 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2020-09-24 16:11:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:02,363 INFO L225 Difference]: With dead ends: 297 [2020-09-24 16:11:02,363 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 16:11:02,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:02,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 16:11:02,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 193. [2020-09-24 16:11:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 16:11:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 198 transitions. [2020-09-24 16:11:02,373 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 198 transitions. Word has length 74 [2020-09-24 16:11:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:02,374 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 198 transitions. [2020-09-24 16:11:02,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2020-09-24 16:11:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-09-24 16:11:02,375 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:02,376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:02,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 16:11:02,376 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:02,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:02,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2127372300, now seen corresponding path program 1 times [2020-09-24 16:11:02,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:02,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094682935] [2020-09-24 16:11:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:02,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:02,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:02,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:02,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:02,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-24 16:11:02,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:02,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:02,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:02,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:02,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-24 16:11:02,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 16:11:02,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:02,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:02,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:02,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:02,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:02,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:02,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:02,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:02,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094682935] [2020-09-24 16:11:02,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:02,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:11:02,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217147418] [2020-09-24 16:11:02,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:11:02,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:02,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:11:02,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:11:02,451 INFO L87 Difference]: Start difference. First operand 193 states and 198 transitions. Second operand 4 states. [2020-09-24 16:11:02,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:02,743 INFO L93 Difference]: Finished difference Result 292 states and 298 transitions. [2020-09-24 16:11:02,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:11:02,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2020-09-24 16:11:02,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:02,745 INFO L225 Difference]: With dead ends: 292 [2020-09-24 16:11:02,745 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 16:11:02,747 INFO L675 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 [2020-09-24 16:11:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 16:11:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-09-24 16:11:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 16:11:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 196 transitions. [2020-09-24 16:11:02,755 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 196 transitions. Word has length 75 [2020-09-24 16:11:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:02,755 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 196 transitions. [2020-09-24 16:11:02,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:11:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 196 transitions. [2020-09-24 16:11:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-09-24 16:11:02,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:02,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:02,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 16:11:02,757 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 661067438, now seen corresponding path program 1 times [2020-09-24 16:11:02,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:02,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676165626] [2020-09-24 16:11:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:02,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:02,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:02,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:02,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:02,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-24 16:11:02,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:02,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:11:02,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:02,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:02,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:11:02,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 16:11:02,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:02,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:02,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:02,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:02,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:02,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:02,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:02,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:02,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:02,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:02,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:02,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:02,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:02,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676165626] [2020-09-24 16:11:02,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:02,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:02,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621437207] [2020-09-24 16:11:02,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:02,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:02,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:02,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:02,928 INFO L87 Difference]: Start difference. First operand 193 states and 196 transitions. Second operand 8 states. [2020-09-24 16:11:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:03,362 INFO L93 Difference]: Finished difference Result 193 states and 196 transitions. [2020-09-24 16:11:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:03,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-09-24 16:11:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:03,364 INFO L225 Difference]: With dead ends: 193 [2020-09-24 16:11:03,364 INFO L226 Difference]: Without dead ends: 191 [2020-09-24 16:11:03,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-09-24 16:11:03,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2020-09-24 16:11:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 16:11:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 194 transitions. [2020-09-24 16:11:03,372 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 194 transitions. Word has length 80 [2020-09-24 16:11:03,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:03,372 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 194 transitions. [2020-09-24 16:11:03,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 194 transitions. [2020-09-24 16:11:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-24 16:11:03,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:03,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:03,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 16:11:03,374 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:03,374 INFO L82 PathProgramCache]: Analyzing trace with hash -111708917, now seen corresponding path program 1 times [2020-09-24 16:11:03,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:03,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964988358] [2020-09-24 16:11:03,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-24 16:11:03,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:11:03,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 16:11:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 16:11:03,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:03,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:03,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:03,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:03,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964988358] [2020-09-24 16:11:03,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:03,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:03,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872587909] [2020-09-24 16:11:03,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:03,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:03,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:03,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:03,466 INFO L87 Difference]: Start difference. First operand 191 states and 194 transitions. Second operand 7 states. [2020-09-24 16:11:03,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:03,795 INFO L93 Difference]: Finished difference Result 191 states and 194 transitions. [2020-09-24 16:11:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:11:03,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-09-24 16:11:03,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:03,797 INFO L225 Difference]: With dead ends: 191 [2020-09-24 16:11:03,797 INFO L226 Difference]: Without dead ends: 189 [2020-09-24 16:11:03,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:11:03,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-24 16:11:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-09-24 16:11:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 16:11:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 192 transitions. [2020-09-24 16:11:03,807 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 192 transitions. Word has length 85 [2020-09-24 16:11:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:03,807 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 192 transitions. [2020-09-24 16:11:03,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 192 transitions. [2020-09-24 16:11:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 16:11:03,809 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:03,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:03,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 16:11:03,809 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:03,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:03,810 INFO L82 PathProgramCache]: Analyzing trace with hash 462594596, now seen corresponding path program 1 times [2020-09-24 16:11:03,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:03,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205246444] [2020-09-24 16:11:03,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 16:11:03,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:11:03,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:11:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:11:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 16:11:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:03,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:03,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:03,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:03,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:03,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 16:11:03,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205246444] [2020-09-24 16:11:03,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:03,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:11:03,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118953606] [2020-09-24 16:11:03,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:03,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:03,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:03,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:03,949 INFO L87 Difference]: Start difference. First operand 189 states and 192 transitions. Second operand 8 states. [2020-09-24 16:11:04,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:04,507 INFO L93 Difference]: Finished difference Result 279 states and 283 transitions. [2020-09-24 16:11:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:11:04,508 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-09-24 16:11:04,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:04,509 INFO L225 Difference]: With dead ends: 279 [2020-09-24 16:11:04,510 INFO L226 Difference]: Without dead ends: 277 [2020-09-24 16:11:04,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-24 16:11:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 182. [2020-09-24 16:11:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-09-24 16:11:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 185 transitions. [2020-09-24 16:11:04,519 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 185 transitions. Word has length 86 [2020-09-24 16:11:04,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:04,519 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 185 transitions. [2020-09-24 16:11:04,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 185 transitions. [2020-09-24 16:11:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 16:11:04,520 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:04,520 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:04,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 16:11:04,521 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:04,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:04,521 INFO L82 PathProgramCache]: Analyzing trace with hash -748130612, now seen corresponding path program 1 times [2020-09-24 16:11:04,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:04,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241798128] [2020-09-24 16:11:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:04,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:04,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:04,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:04,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 16:11:04,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:04,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:11:04,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:04,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:11:04,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:11:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 16:11:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:04,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:04,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:04,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 16:11:04,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241798128] [2020-09-24 16:11:04,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:04,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:11:04,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730232546] [2020-09-24 16:11:04,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:04,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:04,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:04,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:04,693 INFO L87 Difference]: Start difference. First operand 182 states and 185 transitions. Second operand 8 states. [2020-09-24 16:11:05,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:05,087 INFO L93 Difference]: Finished difference Result 182 states and 185 transitions. [2020-09-24 16:11:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:05,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-09-24 16:11:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:05,090 INFO L225 Difference]: With dead ends: 182 [2020-09-24 16:11:05,090 INFO L226 Difference]: Without dead ends: 180 [2020-09-24 16:11:05,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:05,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-09-24 16:11:05,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 169. [2020-09-24 16:11:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-09-24 16:11:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 171 transitions. [2020-09-24 16:11:05,096 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 171 transitions. Word has length 86 [2020-09-24 16:11:05,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:05,097 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 171 transitions. [2020-09-24 16:11:05,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:05,097 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 171 transitions. [2020-09-24 16:11:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-24 16:11:05,098 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:05,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:05,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 16:11:05,098 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:05,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:05,099 INFO L82 PathProgramCache]: Analyzing trace with hash -228867626, now seen corresponding path program 1 times [2020-09-24 16:11:05,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:05,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037992458] [2020-09-24 16:11:05,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-24 16:11:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:11:05,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:11:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:11:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 16:11:05,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:05,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:05,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:05,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:05,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037992458] [2020-09-24 16:11:05,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:05,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:05,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039375467] [2020-09-24 16:11:05,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:05,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:05,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:05,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:05,245 INFO L87 Difference]: Start difference. First operand 169 states and 171 transitions. Second operand 8 states. [2020-09-24 16:11:05,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:05,730 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2020-09-24 16:11:05,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:05,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-09-24 16:11:05,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:05,733 INFO L225 Difference]: With dead ends: 169 [2020-09-24 16:11:05,733 INFO L226 Difference]: Without dead ends: 167 [2020-09-24 16:11:05,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:05,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-24 16:11:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-09-24 16:11:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-09-24 16:11:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2020-09-24 16:11:05,743 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 99 [2020-09-24 16:11:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:05,744 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2020-09-24 16:11:05,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2020-09-24 16:11:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-24 16:11:05,746 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:05,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:05,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 16:11:05,747 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:05,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:05,748 INFO L82 PathProgramCache]: Analyzing trace with hash -101561912, now seen corresponding path program 1 times [2020-09-24 16:11:05,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:05,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708062810] [2020-09-24 16:11:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 16:11:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:11:05,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:05,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:05,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:05,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708062810] [2020-09-24 16:11:05,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:05,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:05,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656492721] [2020-09-24 16:11:05,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:05,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:05,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:05,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:05,896 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand 8 states. [2020-09-24 16:11:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:06,471 INFO L93 Difference]: Finished difference Result 207 states and 210 transitions. [2020-09-24 16:11:06,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:06,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2020-09-24 16:11:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:06,473 INFO L225 Difference]: With dead ends: 207 [2020-09-24 16:11:06,474 INFO L226 Difference]: Without dead ends: 205 [2020-09-24 16:11:06,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:11:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-09-24 16:11:06,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 165. [2020-09-24 16:11:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-24 16:11:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 167 transitions. [2020-09-24 16:11:06,481 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 167 transitions. Word has length 104 [2020-09-24 16:11:06,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:06,481 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 167 transitions. [2020-09-24 16:11:06,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 167 transitions. [2020-09-24 16:11:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-24 16:11:06,483 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:06,483 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:06,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 16:11:06,483 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:06,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:06,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1039394916, now seen corresponding path program 1 times [2020-09-24 16:11:06,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:06,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363082015] [2020-09-24 16:11:06,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:06,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:06,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:06,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:06,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 16:11:06,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:11:06,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-24 16:11:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 16:11:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:06,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:06,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:06,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:06,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:06,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363082015] [2020-09-24 16:11:06,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:06,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:06,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104652159] [2020-09-24 16:11:06,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:06,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:06,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:06,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:06,607 INFO L87 Difference]: Start difference. First operand 165 states and 167 transitions. Second operand 8 states. [2020-09-24 16:11:07,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:07,452 INFO L93 Difference]: Finished difference Result 219 states and 222 transitions. [2020-09-24 16:11:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:11:07,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-09-24 16:11:07,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:07,454 INFO L225 Difference]: With dead ends: 219 [2020-09-24 16:11:07,454 INFO L226 Difference]: Without dead ends: 217 [2020-09-24 16:11:07,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:07,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-09-24 16:11:07,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 172. [2020-09-24 16:11:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-24 16:11:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2020-09-24 16:11:07,461 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 111 [2020-09-24 16:11:07,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:07,462 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2020-09-24 16:11:07,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2020-09-24 16:11:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-24 16:11:07,463 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:07,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:07,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 16:11:07,464 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:07,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:07,464 INFO L82 PathProgramCache]: Analyzing trace with hash -109554473, now seen corresponding path program 1 times [2020-09-24 16:11:07,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:07,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737483356] [2020-09-24 16:11:07,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:07,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:07,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:07,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:07,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:07,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-24 16:11:07,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:07,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:11:07,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-24 16:11:07,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 16:11:07,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:07,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:07,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:07,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:07,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:07,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:07,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:07,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:07,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:07,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737483356] [2020-09-24 16:11:07,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:07,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:07,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7101604] [2020-09-24 16:11:07,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:07,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:07,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:07,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:07,588 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand 8 states. [2020-09-24 16:11:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:08,396 INFO L93 Difference]: Finished difference Result 175 states and 177 transitions. [2020-09-24 16:11:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:08,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-09-24 16:11:08,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:08,398 INFO L225 Difference]: With dead ends: 175 [2020-09-24 16:11:08,398 INFO L226 Difference]: Without dead ends: 173 [2020-09-24 16:11:08,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:08,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-24 16:11:08,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2020-09-24 16:11:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-09-24 16:11:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 172 transitions. [2020-09-24 16:11:08,406 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 172 transitions. Word has length 116 [2020-09-24 16:11:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:08,406 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 172 transitions. [2020-09-24 16:11:08,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 172 transitions. [2020-09-24 16:11:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-24 16:11:08,408 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:08,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:08,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 16:11:08,408 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:08,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:08,409 INFO L82 PathProgramCache]: Analyzing trace with hash -533911886, now seen corresponding path program 1 times [2020-09-24 16:11:08,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:08,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387066683] [2020-09-24 16:11:08,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:08,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:11:08,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -12 [2020-09-24 16:11:08,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 12 [2020-09-24 16:11:08,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:08,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-24 16:11:08,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:11:08,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-24 16:11:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:11:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:08,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:08,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:08,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:08,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:08,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:08,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:08,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:08,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:08,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:08,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387066683] [2020-09-24 16:11:08,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:08,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:08,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111252640] [2020-09-24 16:11:08,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:08,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:08,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:08,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:08,525 INFO L87 Difference]: Start difference. First operand 170 states and 172 transitions. Second operand 7 states. [2020-09-24 16:11:09,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:09,061 INFO L93 Difference]: Finished difference Result 197 states and 200 transitions. [2020-09-24 16:11:09,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:09,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-09-24 16:11:09,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:09,063 INFO L225 Difference]: With dead ends: 197 [2020-09-24 16:11:09,064 INFO L226 Difference]: Without dead ends: 195 [2020-09-24 16:11:09,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:11:09,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-24 16:11:09,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 168. [2020-09-24 16:11:09,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-24 16:11:09,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 170 transitions. [2020-09-24 16:11:09,071 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 170 transitions. Word has length 127 [2020-09-24 16:11:09,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:09,071 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 170 transitions. [2020-09-24 16:11:09,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 170 transitions. [2020-09-24 16:11:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-24 16:11:09,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:09,073 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:09,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 16:11:09,073 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:09,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:09,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1320919986, now seen corresponding path program 1 times [2020-09-24 16:11:09,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:09,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485817083] [2020-09-24 16:11:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:09,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:11:09,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:09,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:09,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:09,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-24 16:11:09,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:09,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 16:11:09,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:11:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 16:11:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 16:11:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:09,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:09,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:09,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:09,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:09,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:09,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:09,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:09,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:09,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485817083] [2020-09-24 16:11:09,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:09,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 16:11:09,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145579085] [2020-09-24 16:11:09,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:09,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:09,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:09,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:09,325 INFO L87 Difference]: Start difference. First operand 168 states and 170 transitions. Second operand 9 states. [2020-09-24 16:11:09,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:09,842 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2020-09-24 16:11:09,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:11:09,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-09-24 16:11:09,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:09,844 INFO L225 Difference]: With dead ends: 168 [2020-09-24 16:11:09,844 INFO L226 Difference]: Without dead ends: 166 [2020-09-24 16:11:09,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-24 16:11:09,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 159. [2020-09-24 16:11:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 16:11:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 161 transitions. [2020-09-24 16:11:09,850 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 161 transitions. Word has length 129 [2020-09-24 16:11:09,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:09,850 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 161 transitions. [2020-09-24 16:11:09,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 161 transitions. [2020-09-24 16:11:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-24 16:11:09,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:09,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:09,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 16:11:09,852 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash 639938535, now seen corresponding path program 1 times [2020-09-24 16:11:09,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:09,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585711851] [2020-09-24 16:11:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:09,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:09,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:09,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:09,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:09,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-24 16:11:09,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:09,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:09,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:09,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:09,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:09,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:09,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:09,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585711851] [2020-09-24 16:11:09,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:09,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:09,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695546247] [2020-09-24 16:11:09,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:09,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:09,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:09,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:09,959 INFO L87 Difference]: Start difference. First operand 159 states and 161 transitions. Second operand 7 states. [2020-09-24 16:11:10,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:10,420 INFO L93 Difference]: Finished difference Result 186 states and 189 transitions. [2020-09-24 16:11:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:10,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-09-24 16:11:10,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:10,422 INFO L225 Difference]: With dead ends: 186 [2020-09-24 16:11:10,422 INFO L226 Difference]: Without dead ends: 184 [2020-09-24 16:11:10,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-09-24 16:11:10,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-09-24 16:11:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 157. [2020-09-24 16:11:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 16:11:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 159 transitions. [2020-09-24 16:11:10,431 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 159 transitions. Word has length 132 [2020-09-24 16:11:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:10,432 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 159 transitions. [2020-09-24 16:11:10,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 159 transitions. [2020-09-24 16:11:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-24 16:11:10,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:10,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:10,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 16:11:10,435 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:10,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:10,436 INFO L82 PathProgramCache]: Analyzing trace with hash 629919005, now seen corresponding path program 1 times [2020-09-24 16:11:10,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:10,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057181182] [2020-09-24 16:11:10,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:10,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:10,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:10,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:10,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:10,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:11:10,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:11:10,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-24 16:11:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:11:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:10,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:10,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:10,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:10,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:10,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:10,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:10,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057181182] [2020-09-24 16:11:10,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:10,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:10,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132089383] [2020-09-24 16:11:10,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:10,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:10,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:10,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:10,606 INFO L87 Difference]: Start difference. First operand 157 states and 159 transitions. Second operand 8 states. [2020-09-24 16:11:11,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:11,724 INFO L93 Difference]: Finished difference Result 263 states and 268 transitions. [2020-09-24 16:11:11,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:11:11,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-09-24 16:11:11,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:11,727 INFO L225 Difference]: With dead ends: 263 [2020-09-24 16:11:11,728 INFO L226 Difference]: Without dead ends: 261 [2020-09-24 16:11:11,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-09-24 16:11:11,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 190. [2020-09-24 16:11:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-24 16:11:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 193 transitions. [2020-09-24 16:11:11,737 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 193 transitions. Word has length 137 [2020-09-24 16:11:11,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:11,738 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 193 transitions. [2020-09-24 16:11:11,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 193 transitions. [2020-09-24 16:11:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 16:11:11,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:11,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:11,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 16:11:11,742 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:11,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:11,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2016104718, now seen corresponding path program 1 times [2020-09-24 16:11:11,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:11,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735703385] [2020-09-24 16:11:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-09-24 16:11:11,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:11:11,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-24 16:11:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:11:11,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:11,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735703385] [2020-09-24 16:11:11,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:11,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:11,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476592003] [2020-09-24 16:11:11,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:11,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:11,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:11,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:11,948 INFO L87 Difference]: Start difference. First operand 190 states and 193 transitions. Second operand 8 states. [2020-09-24 16:11:12,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:12,770 INFO L93 Difference]: Finished difference Result 229 states and 233 transitions. [2020-09-24 16:11:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:12,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 16:11:12,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:12,773 INFO L225 Difference]: With dead ends: 229 [2020-09-24 16:11:12,773 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 16:11:12,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 16:11:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 188. [2020-09-24 16:11:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-24 16:11:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 191 transitions. [2020-09-24 16:11:12,783 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 191 transitions. Word has length 142 [2020-09-24 16:11:12,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:12,783 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 191 transitions. [2020-09-24 16:11:12,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 191 transitions. [2020-09-24 16:11:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-24 16:11:12,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:12,785 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:12,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 16:11:12,785 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:12,786 INFO L82 PathProgramCache]: Analyzing trace with hash -377298197, now seen corresponding path program 1 times [2020-09-24 16:11:12,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:12,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771582849] [2020-09-24 16:11:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-24 16:11:12,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:11:12,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:12,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-24 16:11:12,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 16:11:12,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:12,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:12,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:12,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:11:12,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771582849] [2020-09-24 16:11:12,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:12,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:12,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598326157] [2020-09-24 16:11:12,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:12,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:12,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:12,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:12,936 INFO L87 Difference]: Start difference. First operand 188 states and 191 transitions. Second operand 8 states. [2020-09-24 16:11:13,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:13,843 INFO L93 Difference]: Finished difference Result 220 states and 224 transitions. [2020-09-24 16:11:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:11:13,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-09-24 16:11:13,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:13,849 INFO L225 Difference]: With dead ends: 220 [2020-09-24 16:11:13,849 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:11:13,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:11:13,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:11:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:11:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:11:13,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-09-24 16:11:13,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:13,852 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:11:13,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:11:13,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:11:13,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 16:11:13,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:11:14,017 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-09-24 16:11:14,460 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2020-09-24 16:11:14,612 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-09-24 16:11:15,032 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 164 [2020-09-24 16:11:15,250 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-09-24 16:11:15,967 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 107 [2020-09-24 16:11:16,286 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2020-09-24 16:11:17,016 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 101 [2020-09-24 16:11:17,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:11:17,020 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 16:11:17,020 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|)) [2020-09-24 16:11:17,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:11:17,021 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:11:17,021 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 16:11:17,021 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 16:11:17,021 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:11:17,021 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 16:11:17,021 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 16:11:17,021 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 16:11:17,021 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point L382(lines 382 391) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 437) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-24 16:11:17,022 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 16:11:17,023 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 16:11:17,023 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-09-24 16:11:17,023 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-09-24 16:11:17,025 INFO L264 CegarLoopResult]: At program point L399(lines 129 400) the Hoare annotation is: (and (= main_~__tmp_4~0 1) (let ((.cse0 (< main_~main__cp~0 main_~main__urilen~0)) (.cse1 (< 0 main_~main__scheme~0)) (.cse2 (not (= main_~__tmp_2~0 0))) (.cse3 (<= 1 main_~__tmp_1~0)) (.cse4 (<= 1 main_~__VERIFIER_assert__cond~0)) (.cse5 (<= 1 main_~main__cp~0)) (.cse6 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse7 (<= (+ main_~main__scheme~0 1) main_~main__urilen~0))) (or (and .cse0 .cse1 .cse2 (= main_~__tmp_3~0 1) (= main_~__VERIFIER_assert__cond~2 1) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (<= 1 main_~__VERIFIER_assert__cond~2) .cse2 (<= 1 main_~__tmp_3~0) (not (= main_~__VERIFIER_assert__cond~16 0)) .cse3 .cse4 .cse5 .cse6 .cse7))) (= main_~__VERIFIER_assert__cond~3 1) (= |old(~__return_375~0)| ~__return_375~0)) [2020-09-24 16:11:17,025 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-09-24 16:11:17,026 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-24 16:11:17,027 INFO L268 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-09-24 16:11:17,027 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-24 16:11:17,027 INFO L268 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L201-2(line 201) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L102(lines 102 409) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L69(lines 69 414) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L251(lines 251 327) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L185(lines 185 353) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 16:11:17,029 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 16:11:17,030 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-24 16:11:17,030 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 16:11:17,030 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-09-24 16:11:17,030 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-09-24 16:11:17,030 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-09-24 16:11:17,030 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-24 16:11:17,031 INFO L268 CegarLoopResult]: For program point L268(lines 268 320) no Hoare annotation was computed. [2020-09-24 16:11:17,031 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 294) no Hoare annotation was computed. [2020-09-24 16:11:17,031 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 16:11:17,031 INFO L268 CegarLoopResult]: For program point L202(lines 202 351) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L153(lines 153 358) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L21(lines 21 436) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 16:11:17,032 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 437) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 282) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 16:11:17,033 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L121(lines 121 401) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2020-09-24 16:11:17,034 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 16:11:17,035 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-24 16:11:17,035 INFO L268 CegarLoopResult]: For program point L39(lines 39 433) no Hoare annotation was computed. [2020-09-24 16:11:17,035 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-24 16:11:17,035 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-09-24 16:11:17,035 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-09-24 16:11:17,036 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 16:11:17,036 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-09-24 16:11:17,036 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 16:11:17,036 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L370(lines 370 393) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L304(lines 304 314) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 16:11:17,037 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-09-24 16:11:17,038 INFO L268 CegarLoopResult]: For program point L222(lines 222 342) no Hoare annotation was computed. [2020-09-24 16:11:17,038 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-24 16:11:17,038 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L57(lines 57 430) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L239(lines 239 329) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L173(lines 173 355) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2020-09-24 16:11:17,039 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L141(lines 141 360) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2020-09-24 16:11:17,040 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L59(lines 59 425) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 16:11:17,041 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 16:11:17,042 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-24 16:11:17,042 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-09-24 16:11:17,042 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 16:11:17,042 INFO L268 CegarLoopResult]: For program point L109(lines 109 403) no Hoare annotation was computed. [2020-09-24 16:11:17,042 INFO L264 CegarLoopResult]: At program point L390(lines 127 401) the Hoare annotation is: (and (= |old(~__return_375~0)| ~__return_375~0) (let ((.cse0 (= main_~__tmp_4~0 1)) (.cse1 (< 0 main_~main__scheme~0)) (.cse4 (not (= main_~__tmp_2~0 0))) (.cse2 (= main_~__VERIFIER_assert__cond~3 1)) (.cse5 (<= 1 main_~__tmp_1~0)) (.cse3 (<= 1 main_~__VERIFIER_assert__cond~0)) (.cse6 (<= 1 main_~main__cp~0)) (.cse7 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 (not (= main_~__tmp_18~0 0)) .cse1 (<= 1 main_~__tmp_3~0) .cse2 (not (= main_~__VERIFIER_assert__cond~17 0)) (not (= main_~__tmp_17~0 0)) .cse3 (<= 1 main_~__VERIFIER_assert__cond~2) .cse4 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse4 .cse2 (= main_~__tmp_3~0 1) (= main_~__VERIFIER_assert__cond~2 1) .cse5 .cse3 .cse6 .cse7))) (<= (+ main_~main__scheme~0 1) main_~main__urilen~0) (<= (+ main_~main__cp~0 1) main_~main__urilen~0)) [2020-09-24 16:11:17,042 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L192(lines 192 352) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L93(lines 93 410) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L27(lines 27 435) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-24 16:11:17,043 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-24 16:11:17,044 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 16:11:17,044 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 253) no Hoare annotation was computed. [2020-09-24 16:11:17,044 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-24 16:11:17,044 INFO L264 CegarLoopResult]: At program point L325(lines 260 326) the Hoare annotation is: (and (= main_~__tmp_11~0 1) (= main_~__VERIFIER_assert__cond~10 1) (<= 0 main_~main__c~0) (= |old(~__return_375~0)| ~__return_375~0) (= main_~__tmp_10~0 1) (let ((.cse26 (+ main_~main__cp~0 1))) (let ((.cse0 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse1 (<= 1 main_~__tmp_8~0)) (.cse2 (not (= main_~__tmp_6~0 0))) (.cse3 (not (= main_~main__urilen~0 .cse26))) (.cse4 (not (= main_~__VERIFIER_assert__cond~9 0))) (.cse5 (<= 1 main_~__tmp_3~0)) (.cse6 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse7 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse8 (<= .cse26 main_~main__urilen~0)) (.cse9 (<= 1 main_~__VERIFIER_assert__cond~7)) (.cse10 (= main_~__VERIFIER_assert__cond~9 1)) (.cse11 (<= 1 main_~__VERIFIER_assert__cond~2)) (.cse12 (not (= main_~__tmp_2~0 0))) (.cse13 (not (= main_~__tmp_9~0 0))) (.cse14 (<= 1 main_~main__cp~0)) (.cse15 (= main_~__tmp_4~0 1)) (.cse16 (< 0 main_~main__scheme~0)) (.cse17 (= main_~__VERIFIER_assert__cond~3 1)) (.cse18 (not (= main_~__tmp_7~0 0))) (.cse19 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse20 (<= 1 main_~__VERIFIER_assert__cond~0)) (.cse21 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse22 (not (= main_~__tmp_12~0 0))) (.cse23 (not (= main_~__tmp_5~0 0))) (.cse24 (<= 1 main_~__tmp_1~0)) (.cse25 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= (+ main_~main__c~0 1) main_~main__tokenlen~0) .cse14 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (not (= main_~__tmp_13~0 0)) .cse21 .cse22 .cse23 .cse24 .cse25)))) (<= (+ main_~main__scheme~0 1) main_~main__urilen~0)) [2020-09-24 16:11:17,044 INFO L268 CegarLoopResult]: For program point L292(lines 292 316) no Hoare annotation was computed. [2020-09-24 16:11:17,044 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-24 16:11:17,045 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-09-24 16:11:17,045 INFO L268 CegarLoopResult]: For program point L259-2(line 259) no Hoare annotation was computed. [2020-09-24 16:11:17,045 INFO L268 CegarLoopResult]: For program point L160(lines 160 357) no Hoare annotation was computed. [2020-09-24 16:11:17,045 INFO L268 CegarLoopResult]: For program point L61(lines 61 420) no Hoare annotation was computed. [2020-09-24 16:11:17,045 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-24 16:11:17,045 INFO L264 CegarLoopResult]: At program point L408(lines 102 409) the Hoare annotation is: (and (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (= |old(~__return_375~0)| ~__return_375~0)) [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L210(lines 210 344) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L45(lines 45 432) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L260(lines 260 326) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-09-24 16:11:17,046 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L268 CegarLoopResult]: For program point L63(lines 63 415) no Hoare annotation was computed. [2020-09-24 16:11:17,047 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 437) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 16:11:17,048 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L81(lines 81 412) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 16:11:17,049 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-09-24 16:11:17,050 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-09-24 16:11:17,050 INFO L264 CegarLoopResult]: At program point L313(lines 228 342) the Hoare annotation is: (and (<= 0 main_~main__c~0) (let ((.cse27 (+ main_~main__cp~0 1))) (let ((.cse14 (= main_~__tmp_4~0 1)) (.cse0 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse1 (<= 1 main_~__tmp_8~0)) (.cse2 (not (= main_~__tmp_6~0 0))) (.cse15 (< 0 main_~main__scheme~0)) (.cse4 (<= 1 main_~__tmp_3~0)) (.cse16 (= main_~__VERIFIER_assert__cond~3 1)) (.cse17 (not (= main_~__tmp_7~0 0))) (.cse18 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse19 (<= 1 main_~__VERIFIER_assert__cond~0)) (.cse7 (<= .cse27 main_~main__urilen~0)) (.cse8 (<= 1 main_~__VERIFIER_assert__cond~7)) (.cse9 (= main_~__VERIFIER_assert__cond~9 1)) (.cse20 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse10 (<= 1 main_~__VERIFIER_assert__cond~2)) (.cse11 (not (= main_~__tmp_2~0 0))) (.cse22 (not (= main_~__tmp_5~0 0))) (.cse23 (<= 1 main_~__tmp_1~0)) (.cse13 (<= 1 main_~main__cp~0)) (.cse24 (not (= main_~__VERIFIER_assert__cond~1 0))) (.cse26 (<= (+ main_~main__scheme~0 1) main_~main__urilen~0))) (or (and (<= 1 main_~__tmp_11~0) (let ((.cse3 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse5 (not (= main_~__VERIFIER_assert__cond~9 0))) (.cse6 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse12 (not (= main_~__tmp_9~0 0))) (.cse21 (not (= main_~__tmp_12~0 0))) (.cse25 (not (= main_~__tmp_10~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= (+ main_~main__c~0 1) main_~main__tokenlen~0) .cse13 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (not (= main_~__tmp_13~0 0)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and .cse0 .cse1 .cse2 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25))) .cse26 (<= 1 main_~__VERIFIER_assert__cond~10)) (and .cse14 .cse0 (< .cse27 main_~main__urilen~0) .cse1 .cse2 .cse15 .cse4 .cse16 .cse17 (= main_~__tmp_9~0 1) .cse18 .cse19 .cse7 .cse8 .cse9 .cse20 .cse10 .cse11 .cse22 .cse23 .cse13 (= main_~__VERIFIER_assert__cond~8 1) .cse24 .cse26)))) (= |old(~__return_375~0)| ~__return_375~0) (= main_~__tmp_10~0 1)) [2020-09-24 16:11:17,050 INFO L268 CegarLoopResult]: For program point L280(lines 280 318) no Hoare annotation was computed. [2020-09-24 16:11:17,050 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-09-24 16:11:17,050 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 16:11:17,050 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L33(lines 33 434) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-09-24 16:11:17,051 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L232(lines 232 336) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-24 16:11:17,052 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L133(lines 133 395) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-24 16:11:17,053 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L51(lines 51 431) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 16:11:17,054 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-24 16:11:17,055 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 16:11:17,055 INFO L268 CegarLoopResult]: For program point L101-2(line 101) no Hoare annotation was computed. [2020-09-24 16:11:17,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:11:17 BoogieIcfgContainer [2020-09-24 16:11:17,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:11:17,119 INFO L168 Benchmark]: Toolchain (without parser) took 24034.18 ms. Allocated memory was 139.5 MB in the beginning and 422.1 MB in the end (delta: 282.6 MB). Free memory was 101.6 MB in the beginning and 352.0 MB in the end (delta: -250.5 MB). Peak memory consumption was 279.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:17,120 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:11:17,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.06 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 180.7 MB in the end (delta: -79.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:17,121 INFO L168 Benchmark]: Boogie Preprocessor took 55.35 ms. Allocated memory is still 202.9 MB. Free memory was 180.7 MB in the beginning and 178.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:17,122 INFO L168 Benchmark]: RCFGBuilder took 717.73 ms. Allocated memory is still 202.9 MB. Free memory was 178.1 MB in the beginning and 140.2 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:17,126 INFO L168 Benchmark]: TraceAbstraction took 22625.33 ms. Allocated memory was 202.9 MB in the beginning and 422.1 MB in the end (delta: 219.2 MB). Free memory was 140.2 MB in the beginning and 352.0 MB in the end (delta: -211.8 MB). Peak memory consumption was 254.8 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:17,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 623.06 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 180.7 MB in the end (delta: -79.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.35 ms. Allocated memory is still 202.9 MB. Free memory was 180.7 MB in the beginning and 178.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 717.73 ms. Allocated memory is still 202.9 MB. Free memory was 178.1 MB in the beginning and 140.2 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22625.33 ms. Allocated memory was 202.9 MB in the beginning and 422.1 MB in the end (delta: 219.2 MB). Free memory was 140.2 MB in the beginning and 352.0 MB in the end (delta: -211.8 MB). Peak memory consumption was 254.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 306]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 282]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 294]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 270]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 143]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 253]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((\old(__return_375) == __return_375 && ((((((((((((((__tmp_4 == 1 && !(__tmp_18 == 0)) && 0 < main__scheme) && 1 <= __tmp_3) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_17 == 0)) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_1) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || (((((((((__tmp_4 == 1 && 0 < main__scheme) && !(__tmp_2 == 0)) && __VERIFIER_assert__cond == 1) && __tmp_3 == 1) && __VERIFIER_assert__cond == 1) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)))) && main__scheme + 1 <= main__urilen) && main__cp + 1 <= main__urilen - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (1 <= __tmp_1 && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((0 <= main__c && ((((1 <= __tmp_11 && (((((((((((((((((((((((((((((!(__VERIFIER_assert__cond == 0) && 1 <= __tmp_8) && !(__tmp_6 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_3) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond == 1) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_9 == 0)) && main__c + 1 <= main__tokenlen) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && __tmp_4 == 1) && 0 < main__scheme) && __VERIFIER_assert__cond == 1) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && !(__tmp_13 == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_12 == 0)) && !(__tmp_5 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_10 == 0)) || ((((((((((((((((((((((((((!(__VERIFIER_assert__cond == 0) && 1 <= __tmp_8) && !(__tmp_6 == 0)) && main__c + 2 <= main__tokenlen) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_3) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond == 1) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_9 == 0)) && 1 <= main__cp) && __tmp_4 == 1) && 0 < main__scheme) && __VERIFIER_assert__cond == 1) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_12 == 0)) && !(__tmp_5 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_10 == 0)))) && main__scheme + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) || (((((((((((((((((((((((__tmp_4 == 1 && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 < main__urilen) && 1 <= __tmp_8) && !(__tmp_6 == 0)) && 0 < main__scheme) && 1 <= __tmp_3) && __VERIFIER_assert__cond == 1) && !(__tmp_7 == 0)) && __tmp_9 == 1) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_5 == 0)) && 1 <= __tmp_1) && 1 <= main__cp) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && main__scheme + 1 <= main__urilen))) && \old(__return_375) == __return_375) && __tmp_10 == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((__tmp_4 == 1 && ((((((((((main__cp < main__urilen && 0 < main__scheme) && !(__tmp_2 == 0)) && __tmp_3 == 1) && __VERIFIER_assert__cond == 1) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && main__scheme + 1 <= main__urilen) || ((((((((((main__cp < main__urilen && 0 < main__scheme) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && 1 <= __tmp_3) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && main__scheme + 1 <= main__urilen))) && __VERIFIER_assert__cond == 1) && \old(__return_375) == __return_375 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((((__tmp_11 == 1 && __VERIFIER_assert__cond == 1) && 0 <= main__c) && \old(__return_375) == __return_375) && __tmp_10 == 1) && (((((((((((((((((((((((((((!(__VERIFIER_assert__cond == 0) && 1 <= __tmp_8) && !(__tmp_6 == 0)) && !(main__urilen == main__cp + 1)) && main__c + 2 <= main__tokenlen) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_3) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond == 1) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_9 == 0)) && 1 <= main__cp) && __tmp_4 == 1) && 0 < main__scheme) && __VERIFIER_assert__cond == 1) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_12 == 0)) && !(__tmp_5 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)) || ((((((((((((((((((((((((((((!(__VERIFIER_assert__cond == 0) && 1 <= __tmp_8) && !(__tmp_6 == 0)) && !(main__urilen == main__cp + 1)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_3) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond == 1) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_9 == 0)) && main__c + 1 <= main__tokenlen) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && __tmp_4 == 1) && 0 < main__scheme) && __VERIFIER_assert__cond == 1) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && !(__tmp_13 == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_12 == 0)) && !(__tmp_5 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)))) && main__scheme + 1 <= main__urilen - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 229 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 23, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4038 SDtfs, 13563 SDslu, 654 SDs, 0 SdLazy, 11252 SolverSat, 292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 273 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 983 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 17 NumberOfFragments, 757 HoareAnnotationTreeSize, 9 FomulaSimplifications, 592153 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 118582 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2132 NumberOfCodeBlocks, 2132 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2109 ConstructedInterpolants, 0 QuantifiedInterpolants, 507563 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 20 PerfectInterpolantSequences, 19/41 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...