/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:56:18,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:56:18,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:56:18,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:56:18,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:56:18,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:56:18,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:56:18,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:56:18,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:56:18,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:56:18,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:56:18,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:56:18,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:56:18,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:56:18,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:56:18,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:56:18,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:56:18,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:56:18,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:56:18,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:56:18,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:56:18,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:56:18,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:56:18,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:56:18,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:56:18,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:56:18,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:56:18,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:56:18,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:56:18,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:56:18,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:56:18,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:56:18,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:56:18,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:56:18,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:56:18,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:56:18,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:56:18,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:56:18,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:56:18,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:56:18,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:56:18,453 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 22:56:18,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:56:18,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:56:18,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:56:18,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:56:18,508 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:56:18,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:56:18,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:56:18,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:56:18,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:56:18,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:56:18,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:56:18,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:56:18,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:56:18,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:56:18,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:56:18,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:56:18,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:56:18,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:56:18,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:56:18,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:56:18,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:56:18,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:56:18,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:56:18,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:56:18,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:56:18,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:56:18,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:56:18,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:56:18,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:56:18,515 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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:56:18,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:56:18,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:56:18,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:56:18,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:56:18,993 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:56:18,994 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-24 22:56:19,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24078a15f/fa195b58050245f892522c2393ffe1b9/FLAG3dc576032 [2020-09-24 22:56:19,669 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:56:19,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-24 22:56:19,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24078a15f/fa195b58050245f892522c2393ffe1b9/FLAG3dc576032 [2020-09-24 22:56:19,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24078a15f/fa195b58050245f892522c2393ffe1b9 [2020-09-24 22:56:19,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:56:19,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:56:19,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:56:19,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:56:19,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:56:19,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:20,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b599924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19, skipping insertion in model container [2020-09-24 22:56:20,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:20,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:56:20,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:56:20,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:56:20,320 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:56:20,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:56:20,380 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:56:20,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20 WrapperNode [2020-09-24 22:56:20,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:56:20,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:56:20,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:56:20,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:56:20,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (1/1) ... [2020-09-24 22:56:20,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:56:20,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:56:20,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:56:20,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:56:20,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (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 22:56:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:56:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:56:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:56:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:56:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:56:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:56:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:56:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 22:56:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:56:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:56:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:56:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:56:21,186 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:56:21,186 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 22:56:21,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:56:21 BoogieIcfgContainer [2020-09-24 22:56:21,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:56:21,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:56:21,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:56:21,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:56:21,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:56:19" (1/3) ... [2020-09-24 22:56:21,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e23d86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:56:21, skipping insertion in model container [2020-09-24 22:56:21,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:20" (2/3) ... [2020-09-24 22:56:21,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e23d86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:56:21, skipping insertion in model container [2020-09-24 22:56:21,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:56:21" (3/3) ... [2020-09-24 22:56:21,209 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2020-09-24 22:56:21,222 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:56:21,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2020-09-24 22:56:21,263 INFO L251 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2020-09-24 22:56:21,321 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:56:21,321 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:56:21,321 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:56:21,321 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:56:21,322 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:56:21,322 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:56:21,322 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:56:21,322 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:56:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-09-24 22:56:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-24 22:56:21,363 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:21,364 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] [2020-09-24 22:56:21,365 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:21,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:21,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1480175740, now seen corresponding path program 1 times [2020-09-24 22:56:21,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:21,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196233554] [2020-09-24 22:56:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:21,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:21,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:21,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:56:21,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-24 22:56:21,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:56:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:56:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:56:21,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:21,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:21,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:21,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:21,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:56:21,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:21,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:21,978 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 22:56:21,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196233554] [2020-09-24 22:56:21,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:21,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:21,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780785452] [2020-09-24 22:56:21,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:21,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:22,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:22,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:22,011 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 6 states. [2020-09-24 22:56:22,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:22,686 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2020-09-24 22:56:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 22:56:22,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-09-24 22:56:22,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:22,715 INFO L225 Difference]: With dead ends: 221 [2020-09-24 22:56:22,715 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 22:56:22,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:22,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 22:56:22,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-24 22:56:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 22:56:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2020-09-24 22:56:22,801 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 30 [2020-09-24 22:56:22,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:22,802 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2020-09-24 22:56:22,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2020-09-24 22:56:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 22:56:22,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:22,804 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] [2020-09-24 22:56:22,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:56:22,805 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:22,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:22,805 INFO L82 PathProgramCache]: Analyzing trace with hash 983595193, now seen corresponding path program 1 times [2020-09-24 22:56:22,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:22,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933747217] [2020-09-24 22:56:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:22,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:23,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:23,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 22:56:23,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-24 22:56:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:56:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:56:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:56:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:23,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:23,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:23,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:23,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:23,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:23,162 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 22:56:23,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933747217] [2020-09-24 22:56:23,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:23,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:23,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145487611] [2020-09-24 22:56:23,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:23,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:23,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:23,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:23,167 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand 8 states. [2020-09-24 22:56:24,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:24,049 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 22:56:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:56:24,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 22:56:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:24,055 INFO L225 Difference]: With dead ends: 287 [2020-09-24 22:56:24,056 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 22:56:24,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:56:24,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 22:56:24,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 179. [2020-09-24 22:56:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-09-24 22:56:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions. [2020-09-24 22:56:24,091 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 33 [2020-09-24 22:56:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:24,094 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions. [2020-09-24 22:56:24,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2020-09-24 22:56:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 22:56:24,096 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:24,097 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] [2020-09-24 22:56:24,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:56:24,100 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:24,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:24,101 INFO L82 PathProgramCache]: Analyzing trace with hash -378774596, now seen corresponding path program 1 times [2020-09-24 22:56:24,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:24,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291498134] [2020-09-24 22:56:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:24,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:24,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 22:56:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:24,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 22:56:24,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:56:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:56:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 22:56:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:24,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:24,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:24,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:24,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:24,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:24,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:24,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:24,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:24,321 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 22:56:24,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291498134] [2020-09-24 22:56:24,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:24,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:24,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81169555] [2020-09-24 22:56:24,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:24,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:24,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:24,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:24,324 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand 8 states. [2020-09-24 22:56:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:24,901 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2020-09-24 22:56:24,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 22:56:24,908 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-09-24 22:56:24,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:24,910 INFO L225 Difference]: With dead ends: 179 [2020-09-24 22:56:24,910 INFO L226 Difference]: Without dead ends: 177 [2020-09-24 22:56:24,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:56:24,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-24 22:56:24,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-09-24 22:56:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-24 22:56:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 181 transitions. [2020-09-24 22:56:24,925 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 181 transitions. Word has length 35 [2020-09-24 22:56:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:24,926 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 181 transitions. [2020-09-24 22:56:24,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2020-09-24 22:56:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 22:56:24,928 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:24,928 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 22:56:24,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:56:24,928 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:24,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:24,929 INFO L82 PathProgramCache]: Analyzing trace with hash 856839139, now seen corresponding path program 1 times [2020-09-24 22:56:24,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:24,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673770959] [2020-09-24 22:56:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:24,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:26,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:26,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:56:26,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:56:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1570 [2020-09-24 22:56:26,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 22:56:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:56:26,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:56:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:26,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:26,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:26,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:26,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:26,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:26,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:26,662 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 22:56:26,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673770959] [2020-09-24 22:56:26,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:26,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:26,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915873150] [2020-09-24 22:56:26,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:26,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:26,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:26,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:26,672 INFO L87 Difference]: Start difference. First operand 177 states and 181 transitions. Second operand 9 states. [2020-09-24 22:56:27,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:27,154 INFO L93 Difference]: Finished difference Result 193 states and 197 transitions. [2020-09-24 22:56:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:27,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-09-24 22:56:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:27,157 INFO L225 Difference]: With dead ends: 193 [2020-09-24 22:56:27,158 INFO L226 Difference]: Without dead ends: 191 [2020-09-24 22:56:27,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:27,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-09-24 22:56:27,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 175. [2020-09-24 22:56:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 22:56:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 22:56:27,171 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 43 [2020-09-24 22:56:27,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:27,172 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 22:56:27,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 22:56:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 22:56:27,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:27,174 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 22:56:27,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:56:27,174 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:27,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:27,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1814856032, now seen corresponding path program 1 times [2020-09-24 22:56:27,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:27,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004224556] [2020-09-24 22:56:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:27,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:28,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:56:28,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:56:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1392 [2020-09-24 22:56:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:56:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:28,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:28,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:28,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:28,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:28,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:28,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:28,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:28,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:28,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:28,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:28,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:28,688 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 22:56:28,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004224556] [2020-09-24 22:56:28,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:28,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:28,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514188206] [2020-09-24 22:56:28,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:28,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:28,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:28,690 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 9 states. [2020-09-24 22:56:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:29,069 INFO L93 Difference]: Finished difference Result 191 states and 195 transitions. [2020-09-24 22:56:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:29,070 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-09-24 22:56:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:29,072 INFO L225 Difference]: With dead ends: 191 [2020-09-24 22:56:29,072 INFO L226 Difference]: Without dead ends: 189 [2020-09-24 22:56:29,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:29,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-24 22:56:29,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 173. [2020-09-24 22:56:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 22:56:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 22:56:29,081 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 43 [2020-09-24 22:56:29,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:29,082 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 22:56:29,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 22:56:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:29,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:29,084 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] [2020-09-24 22:56:29,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:56:29,085 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:29,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:29,085 INFO L82 PathProgramCache]: Analyzing trace with hash -321095215, now seen corresponding path program 1 times [2020-09-24 22:56:29,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:29,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953241133] [2020-09-24 22:56:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:29,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:30,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:30,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:56:30,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 958 [2020-09-24 22:56:30,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:30,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:30,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:56:30,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 22:56:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:30,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:30,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:30,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:30,103 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 22:56:30,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953241133] [2020-09-24 22:56:30,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:30,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:30,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718758816] [2020-09-24 22:56:30,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:30,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:30,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:30,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:30,106 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 6 states. [2020-09-24 22:56:30,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:30,376 INFO L93 Difference]: Finished difference Result 173 states and 177 transitions. [2020-09-24 22:56:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:56:30,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 22:56:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:30,378 INFO L225 Difference]: With dead ends: 173 [2020-09-24 22:56:30,378 INFO L226 Difference]: Without dead ends: 161 [2020-09-24 22:56:30,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-24 22:56:30,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-09-24 22:56:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-09-24 22:56:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions. [2020-09-24 22:56:30,386 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 48 [2020-09-24 22:56:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:30,387 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions. [2020-09-24 22:56:30,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2020-09-24 22:56:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:30,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:30,389 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] [2020-09-24 22:56:30,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 22:56:30,389 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:30,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:30,390 INFO L82 PathProgramCache]: Analyzing trace with hash -153858296, now seen corresponding path program 1 times [2020-09-24 22:56:30,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:30,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357699782] [2020-09-24 22:56:30,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:30,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:30,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:30,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:30,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-24 22:56:30,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:30,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 22:56:30,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:30,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:30,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:30,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:30,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:30,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:30,790 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 22:56:30,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357699782] [2020-09-24 22:56:30,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:30,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:30,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856408186] [2020-09-24 22:56:30,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:30,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:30,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:30,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:30,793 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 8 states. [2020-09-24 22:56:31,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:31,802 INFO L93 Difference]: Finished difference Result 366 states and 375 transitions. [2020-09-24 22:56:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:56:31,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 22:56:31,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:31,807 INFO L225 Difference]: With dead ends: 366 [2020-09-24 22:56:31,808 INFO L226 Difference]: Without dead ends: 364 [2020-09-24 22:56:31,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:56:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-09-24 22:56:31,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 159. [2020-09-24 22:56:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 22:56:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 22:56:31,822 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 22:56:31,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:31,822 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 22:56:31,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 22:56:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:31,829 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:31,830 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] [2020-09-24 22:56:31,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 22:56:31,830 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:31,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:31,831 INFO L82 PathProgramCache]: Analyzing trace with hash -720035671, now seen corresponding path program 1 times [2020-09-24 22:56:31,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:31,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880835305] [2020-09-24 22:56:31,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:31,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:31,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:31,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:32,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:32,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:32,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:56:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 845 [2020-09-24 22:56:32,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:56:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 22:56:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:32,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:32,759 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 22:56:32,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880835305] [2020-09-24 22:56:32,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:32,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:32,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996283903] [2020-09-24 22:56:32,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:32,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:32,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:32,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:32,762 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 6 states. [2020-09-24 22:56:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:33,037 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-24 22:56:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:56:33,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 22:56:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:33,040 INFO L225 Difference]: With dead ends: 159 [2020-09-24 22:56:33,040 INFO L226 Difference]: Without dead ends: 147 [2020-09-24 22:56:33,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:33,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-24 22:56:33,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-09-24 22:56:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 22:56:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2020-09-24 22:56:33,047 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 48 [2020-09-24 22:56:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:33,048 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2020-09-24 22:56:33,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2020-09-24 22:56:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:33,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:33,050 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 22:56:33,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 22:56:33,050 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:33,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:33,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1338866642, now seen corresponding path program 1 times [2020-09-24 22:56:33,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:33,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55074152] [2020-09-24 22:56:33,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:33,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:33,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:33,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:33,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:33,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-24 22:56:33,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 22:56:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 22:56:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:33,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:33,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:33,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:33,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:33,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:56:33,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:33,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:33,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:33,520 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 22:56:33,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55074152] [2020-09-24 22:56:33,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:33,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:33,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985750111] [2020-09-24 22:56:33,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:33,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:33,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:33,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:33,528 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand 9 states. [2020-09-24 22:56:33,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:33,974 INFO L93 Difference]: Finished difference Result 227 states and 233 transitions. [2020-09-24 22:56:33,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 22:56:33,974 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 22:56:33,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:33,976 INFO L225 Difference]: With dead ends: 227 [2020-09-24 22:56:33,976 INFO L226 Difference]: Without dead ends: 225 [2020-09-24 22:56:33,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:56:33,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-24 22:56:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 145. [2020-09-24 22:56:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 22:56:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2020-09-24 22:56:33,985 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 53 [2020-09-24 22:56:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:33,986 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2020-09-24 22:56:33,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2020-09-24 22:56:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:33,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:33,991 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 22:56:33,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 22:56:33,992 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:33,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:33,992 INFO L82 PathProgramCache]: Analyzing trace with hash -705283452, now seen corresponding path program 1 times [2020-09-24 22:56:33,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:33,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574652345] [2020-09-24 22:56:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:34,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:34,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:34,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-09-24 22:56:34,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 22:56:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 22:56:34,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:34,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:34,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:34,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:34,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:34,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:34,484 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 22:56:34,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574652345] [2020-09-24 22:56:34,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:34,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:34,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247483726] [2020-09-24 22:56:34,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:34,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:34,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:34,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:34,486 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 9 states. [2020-09-24 22:56:35,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:35,032 INFO L93 Difference]: Finished difference Result 208 states and 214 transitions. [2020-09-24 22:56:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 22:56:35,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 22:56:35,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:35,035 INFO L225 Difference]: With dead ends: 208 [2020-09-24 22:56:35,035 INFO L226 Difference]: Without dead ends: 206 [2020-09-24 22:56:35,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:56:35,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-09-24 22:56:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 143. [2020-09-24 22:56:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-24 22:56:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2020-09-24 22:56:35,047 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 53 [2020-09-24 22:56:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:35,048 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2020-09-24 22:56:35,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2020-09-24 22:56:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:35,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:35,049 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 22:56:35,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 22:56:35,050 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:35,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:35,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1450324932, now seen corresponding path program 1 times [2020-09-24 22:56:35,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:35,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225538034] [2020-09-24 22:56:35,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:35,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:35,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:35,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-09-24 22:56:35,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 22:56:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 22:56:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:35,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:35,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:35,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:35,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:35,489 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 22:56:35,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225538034] [2020-09-24 22:56:35,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:35,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:35,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683431886] [2020-09-24 22:56:35,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:35,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:35,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:35,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:35,492 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 9 states. [2020-09-24 22:56:35,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:35,906 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-24 22:56:35,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:35,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 22:56:35,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:35,908 INFO L225 Difference]: With dead ends: 159 [2020-09-24 22:56:35,908 INFO L226 Difference]: Without dead ends: 157 [2020-09-24 22:56:35,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:35,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-24 22:56:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2020-09-24 22:56:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-24 22:56:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2020-09-24 22:56:35,914 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 53 [2020-09-24 22:56:35,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:35,915 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2020-09-24 22:56:35,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2020-09-24 22:56:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:35,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:35,916 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 22:56:35,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 22:56:35,916 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:35,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:35,917 INFO L82 PathProgramCache]: Analyzing trace with hash -176330525, now seen corresponding path program 1 times [2020-09-24 22:56:35,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:35,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922674951] [2020-09-24 22:56:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:35,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:36,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:36,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 605 [2020-09-24 22:56:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 22:56:36,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:36,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:36,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:36,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:36,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:36,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:36,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:36,736 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 22:56:36,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922674951] [2020-09-24 22:56:36,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:36,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:36,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887229280] [2020-09-24 22:56:36,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:36,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:36,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:36,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:36,739 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 10 states. [2020-09-24 22:56:37,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:37,716 INFO L93 Difference]: Finished difference Result 313 states and 323 transitions. [2020-09-24 22:56:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:56:37,717 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 22:56:37,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:37,719 INFO L225 Difference]: With dead ends: 313 [2020-09-24 22:56:37,719 INFO L226 Difference]: Without dead ends: 311 [2020-09-24 22:56:37,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:56:37,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-09-24 22:56:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 139. [2020-09-24 22:56:37,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-09-24 22:56:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions. [2020-09-24 22:56:37,727 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 53 [2020-09-24 22:56:37,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:37,727 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions. [2020-09-24 22:56:37,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:37,728 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2020-09-24 22:56:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:56:37,728 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:37,728 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 22:56:37,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 22:56:37,729 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:37,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1223452514, now seen corresponding path program 1 times [2020-09-24 22:56:37,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:37,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932832149] [2020-09-24 22:56:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:38,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:56:38,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 903 [2020-09-24 22:56:38,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:38,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:38,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:38,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:38,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:38,839 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 22:56:38,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932832149] [2020-09-24 22:56:38,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:38,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:38,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635901115] [2020-09-24 22:56:38,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:38,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:38,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:38,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:38,843 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand 10 states. [2020-09-24 22:56:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:39,524 INFO L93 Difference]: Finished difference Result 204 states and 210 transitions. [2020-09-24 22:56:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 22:56:39,524 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 22:56:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:39,526 INFO L225 Difference]: With dead ends: 204 [2020-09-24 22:56:39,527 INFO L226 Difference]: Without dead ends: 202 [2020-09-24 22:56:39,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:56:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-09-24 22:56:39,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 137. [2020-09-24 22:56:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-09-24 22:56:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 141 transitions. [2020-09-24 22:56:39,540 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 141 transitions. Word has length 58 [2020-09-24 22:56:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:39,540 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 141 transitions. [2020-09-24 22:56:39,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2020-09-24 22:56:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:56:39,541 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:39,542 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 22:56:39,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 22:56:39,542 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:39,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:39,543 INFO L82 PathProgramCache]: Analyzing trace with hash 796591608, now seen corresponding path program 1 times [2020-09-24 22:56:39,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:39,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180247792] [2020-09-24 22:56:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:39,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:39,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:40,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:40,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:56:40,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:40,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-09-24 22:56:40,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:40,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:40,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:40,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:40,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:40,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:40,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:40,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:40,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:40,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:40,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:40,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:40,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:40,653 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 22:56:40,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180247792] [2020-09-24 22:56:40,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:40,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:40,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293483877] [2020-09-24 22:56:40,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:40,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:40,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:40,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:40,656 INFO L87 Difference]: Start difference. First operand 137 states and 141 transitions. Second operand 10 states. [2020-09-24 22:56:41,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:41,322 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2020-09-24 22:56:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 22:56:41,322 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 22:56:41,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:41,324 INFO L225 Difference]: With dead ends: 185 [2020-09-24 22:56:41,325 INFO L226 Difference]: Without dead ends: 183 [2020-09-24 22:56:41,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:56:41,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-24 22:56:41,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 135. [2020-09-24 22:56:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-24 22:56:41,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 139 transitions. [2020-09-24 22:56:41,332 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 139 transitions. Word has length 58 [2020-09-24 22:56:41,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:41,333 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 139 transitions. [2020-09-24 22:56:41,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2020-09-24 22:56:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:56:41,334 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:41,334 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 22:56:41,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 22:56:41,334 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:41,335 INFO L82 PathProgramCache]: Analyzing trace with hash 482062159, now seen corresponding path program 1 times [2020-09-24 22:56:41,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:41,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834014562] [2020-09-24 22:56:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:41,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:41,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:42,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:42,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:56:42,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:42,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-09-24 22:56:42,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:42,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:42,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:42,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:42,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:42,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:42,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:42,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:42,361 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 22:56:42,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834014562] [2020-09-24 22:56:42,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:42,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:42,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189866703] [2020-09-24 22:56:42,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:42,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:42,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:42,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:42,364 INFO L87 Difference]: Start difference. First operand 135 states and 139 transitions. Second operand 10 states. [2020-09-24 22:56:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:42,787 INFO L93 Difference]: Finished difference Result 135 states and 139 transitions. [2020-09-24 22:56:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 22:56:42,787 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 22:56:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:42,788 INFO L225 Difference]: With dead ends: 135 [2020-09-24 22:56:42,789 INFO L226 Difference]: Without dead ends: 123 [2020-09-24 22:56:42,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:56:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-24 22:56:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-09-24 22:56:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-24 22:56:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2020-09-24 22:56:42,797 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 58 [2020-09-24 22:56:42,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:42,797 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2020-09-24 22:56:42,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2020-09-24 22:56:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 22:56:42,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:42,802 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] [2020-09-24 22:56:42,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 22:56:42,803 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:42,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1558790018, now seen corresponding path program 1 times [2020-09-24 22:56:42,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:42,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955140632] [2020-09-24 22:56:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:42,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:42,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:45,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:45,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:45,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:45,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:45,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:47,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 22:56:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-24 22:56:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 22:56:47,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 22:56:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:56:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:47,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:47,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:47,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:47,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:47,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:47,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:47,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:47,945 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 22:56:47,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955140632] [2020-09-24 22:56:47,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:47,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:47,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741687247] [2020-09-24 22:56:47,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:47,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:47,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:47,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:47,948 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand 8 states. [2020-09-24 22:56:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:48,205 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-09-24 22:56:48,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 22:56:48,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-24 22:56:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:48,207 INFO L225 Difference]: With dead ends: 123 [2020-09-24 22:56:48,207 INFO L226 Difference]: Without dead ends: 121 [2020-09-24 22:56:48,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:56:48,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-24 22:56:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-09-24 22:56:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-24 22:56:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2020-09-24 22:56:48,215 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 66 [2020-09-24 22:56:48,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:48,215 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2020-09-24 22:56:48,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2020-09-24 22:56:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 22:56:48,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:48,216 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] [2020-09-24 22:56:48,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 22:56:48,217 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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:48,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:48,217 INFO L82 PathProgramCache]: Analyzing trace with hash 923424153, now seen corresponding path program 1 times [2020-09-24 22:56:48,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:48,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948534089] [2020-09-24 22:56:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:48,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:48,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:50,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:50,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 22:56:50,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:56:50,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2710 [2020-09-24 22:56:50,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-24 22:56:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 22:56:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:50,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:50,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:50,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:50,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:50,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:51,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:51,006 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 22:56:51,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948534089] [2020-09-24 22:56:51,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:51,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:51,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146473583] [2020-09-24 22:56:51,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:51,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:51,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:51,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:51,009 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand 6 states. [2020-09-24 22:56:51,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:51,267 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2020-09-24 22:56:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:56:51,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-24 22:56:51,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:51,268 INFO L225 Difference]: With dead ends: 121 [2020-09-24 22:56:51,268 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 22:56:51,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:51,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 22:56:51,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 22:56:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 22:56:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 22:56:51,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-09-24 22:56:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:51,274 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 22:56:51,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 22:56:51,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 22:56:51,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 22:56:51,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 22:56:51,411 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 10 [2020-09-24 22:56:51,530 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 38 [2020-09-24 22:56:51,649 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2020-09-24 22:56:51,930 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 15 [2020-09-24 22:56:52,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 22:56:52,014 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 22:56:52,015 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 22:56:52,015 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 22:56:52,015 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_247_0~0 |old(~__tmp_247_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 22:56:52,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 22:56:52,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 22:56:52,016 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 22:56:52,016 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 22:56:52,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 22:56:52,016 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 22:56:52,016 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 22:56:52,016 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 22:56:52,016 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 22:56:52,016 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 22:56:52,017 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-24 22:56:52,017 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed. [2020-09-24 22:56:52,017 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 22:56:52,017 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 373) no Hoare annotation was computed. [2020-09-24 22:56:52,018 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 22:56:52,018 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-09-24 22:56:52,018 INFO L268 CegarLoopResult]: For program point L52(lines 52 252) no Hoare annotation was computed. [2020-09-24 22:56:52,018 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-24 22:56:52,018 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 22:56:52,019 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 22:56:52,019 INFO L268 CegarLoopResult]: For program point L69(lines 69 93) no Hoare annotation was computed. [2020-09-24 22:56:52,019 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 22:56:52,019 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-24 22:56:52,019 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 22:56:52,019 INFO L268 CegarLoopResult]: For program point L185(lines 185 195) no Hoare annotation was computed. [2020-09-24 22:56:52,020 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 22:56:52,020 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 22:56:52,020 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-24 22:56:52,020 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 308) no Hoare annotation was computed. [2020-09-24 22:56:52,020 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 22:56:52,021 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 22:56:52,022 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-24 22:56:52,023 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-24 22:56:52,023 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 22:56:52,023 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-24 22:56:52,023 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 22:56:52,023 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 22:56:52,023 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point L335(lines 335 358) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 373) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-24 22:56:52,024 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L104(lines 104 208) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 22:56:52,025 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 22:56:52,026 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-24 22:56:52,026 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L22(lines 22 367) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 22:56:52,027 INFO L268 CegarLoopResult]: For program point L287(lines 287 361) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 22:56:52,028 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 337) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L139(lines 139 161) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L40(lines 40 254) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L123(lines 123 200) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 22:56:52,029 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 22:56:52,030 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 22:56:52,030 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-24 22:56:52,030 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 22:56:52,030 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-09-24 22:56:52,030 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 22:56:52,030 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L264 CegarLoopResult]: At program point L355(lines 281 362) the Hoare annotation is: (and (let ((.cse0 (not (= main_~__tmp_14~0 0))) (.cse1 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse2 (= main_~__VERIFIER_assert__cond~12 1)) (.cse3 (not (= main_~__VERIFIER_assert__cond~13 0))) (.cse4 (= main_~__tmp_13~0 1))) (or (and .cse0 .cse1 (<= 1 main_~__VERIFIER_assert__cond~17) (<= 1 main_~__tmp_18~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~13 1) (= main_~__tmp_14~0 1) .cse2 .cse3 .cse4))) (<= 0 main_~main__t~0)) [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L322-2(line 322) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 22:56:52,032 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 22:56:52,033 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-24 22:56:52,033 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 22:56:52,033 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L323(lines 323 360) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 22:56:52,034 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L275(lines 275 362) no Hoare annotation was computed. [2020-09-24 22:56:52,035 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 22:56:52,036 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2020-09-24 22:56:52,037 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-24 22:56:52,037 INFO L268 CegarLoopResult]: For program point L111(lines 111 202) no Hoare annotation was computed. [2020-09-24 22:56:52,037 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 22:56:52,037 INFO L264 CegarLoopResult]: At program point L326(lines 30 366) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-24 22:56:52,037 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-24 22:56:52,037 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 22:56:52,037 INFO L264 CegarLoopResult]: At program point L194(lines 58 252) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L294(lines 294 316) no Hoare annotation was computed. [2020-09-24 22:56:52,038 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point L30(lines 30 366) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 373) the Hoare annotation is: (and (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 22:56:52,039 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 349) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-09-24 22:56:52,040 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L213-2(line 213) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L81(lines 81 91) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 22:56:52,041 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L264 CegarLoopResult]: At program point L313(lines 30 366) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point L214(lines 214 249) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 22:56:52,042 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L264(lines 264 364) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L132(lines 132 199) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-09-24 22:56:52,043 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 22:56:52,044 INFO L268 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-09-24 22:56:52,044 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-09-24 22:56:52,044 INFO L268 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed. [2020-09-24 22:56:52,044 INFO L268 CegarLoopResult]: For program point L347(lines 347 356) no Hoare annotation was computed. [2020-09-24 22:56:52,045 INFO L264 CegarLoopResult]: At program point L248(lines 100 250) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-24 22:56:52,045 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 22:56:52,045 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 22:56:52,045 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 22:56:52,045 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 22:56:52,045 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L100(lines 100 250) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 22:56:52,046 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L18(lines 18 372) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-09-24 22:56:52,047 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 22:56:52,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:56:52 BoogieIcfgContainer [2020-09-24 22:56:52,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:56:52,094 INFO L168 Benchmark]: Toolchain (without parser) took 32105.53 ms. Allocated memory was 146.3 MB in the beginning and 385.9 MB in the end (delta: 239.6 MB). Free memory was 103.0 MB in the beginning and 158.9 MB in the end (delta: -56.0 MB). Peak memory consumption was 183.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:56:52,095 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 22:56:52,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.71 ms. Allocated memory is still 146.3 MB. Free memory was 102.3 MB in the beginning and 89.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-09-24 22:56:52,096 INFO L168 Benchmark]: Boogie Preprocessor took 133.08 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 89.2 MB in the beginning and 179.5 MB in the end (delta: -90.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-24 22:56:52,100 INFO L168 Benchmark]: RCFGBuilder took 681.36 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 144.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-09-24 22:56:52,101 INFO L168 Benchmark]: TraceAbstraction took 30890.66 ms. Allocated memory was 202.4 MB in the beginning and 385.9 MB in the end (delta: 183.5 MB). Free memory was 143.8 MB in the beginning and 158.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 168.3 MB. Max. memory is 7.1 GB. [2020-09-24 22:56:52,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 391.71 ms. Allocated memory is still 146.3 MB. Free memory was 102.3 MB in the beginning and 89.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.08 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 89.2 MB in the beginning and 179.5 MB in the end (delta: -90.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 681.36 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 144.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30890.66 ms. Allocated memory was 202.4 MB in the beginning and 385.9 MB in the end (delta: 183.5 MB). Free memory was 143.8 MB in the beginning and 158.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 168.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 153]: 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: 296]: 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: 223]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 308]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 277]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 141]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 125]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((1 <= main__t && 1 <= __tmp_2) && main__t <= main__tagbuf_len) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 1 <= __tmp_2) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_18) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && __tmp_13 == 1) || ((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && __VERIFIER_assert__cond == 1) && __tmp_14 == 1) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && __tmp_13 == 1)) && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.9s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2843 SDtfs, 5960 SDslu, 5864 SDs, 0 SdLazy, 6702 SolverSat, 223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred 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, 17 MinimizatonAttempts, 787 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 134 HoareAnnotationTreeSize, 9 FomulaSimplifications, 31578 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2558 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 115749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 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...