/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=NARROWEST --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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:19:45,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:19:45,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:19:45,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:19:45,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:19:45,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:19:45,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:19:45,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:19:45,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:19:45,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:19:45,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:19:45,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:19:45,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:19:45,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:19:45,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:19:45,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:19:45,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:19:45,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:19:45,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:19:45,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:19:45,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:19:45,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:19:45,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:19:45,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:19:46,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:19:46,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:19:46,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:19:46,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:19:46,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:19:46,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:19:46,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:19:46,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:19:46,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:19:46,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:19:46,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:19:46,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:19:46,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:19:46,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:19:46,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:19:46,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:19:46,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:19:46,025 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 [2020-09-25 02:19:46,071 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:19:46,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:19:46,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:19:46,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:19:46,074 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:19:46,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:19:46,075 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:19:46,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:19:46,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:19:46,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:19:46,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:19:46,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:19:46,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:19:46,078 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:19:46,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:19:46,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:19:46,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:19:46,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:19:46,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:19:46,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:19:46,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:19:46,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:19:46,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:19:46,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:19:46,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:19:46,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:19:46,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:19:46,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:19:46,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:19:46,081 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 02:19:46,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:19:46,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:19:46,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:19:46,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:19:46,607 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:19:46,608 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-25 02:19:46,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adbdc413f/c7cbd037456c4bb58358a2f8bd96b349/FLAGf06fab3b0 [2020-09-25 02:19:47,255 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:19:47,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-25 02:19:47,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adbdc413f/c7cbd037456c4bb58358a2f8bd96b349/FLAGf06fab3b0 [2020-09-25 02:19:47,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adbdc413f/c7cbd037456c4bb58358a2f8bd96b349 [2020-09-25 02:19:47,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:19:47,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:19:47,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:19:47,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:19:47,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:19:47,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:47" (1/1) ... [2020-09-25 02:19:47,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243023c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:47, skipping insertion in model container [2020-09-25 02:19:47,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:47" (1/1) ... [2020-09-25 02:19:47,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:19:47,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:19:48,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:19:48,013 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:19:48,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:19:48,131 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:19:48,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48 WrapperNode [2020-09-25 02:19:48,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:19:48,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:19:48,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:19:48,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:19:48,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (1/1) ... [2020-09-25 02:19:48,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:19:48,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:19:48,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:19:48,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:19:48,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (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 [2020-09-25 02:19:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:19:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:19:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:19:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:19:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:19:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:19:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:19:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 02:19:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:19:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:19:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:19:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:19:49,016 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:19:49,016 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 02:19:49,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:49 BoogieIcfgContainer [2020-09-25 02:19:49,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:19:49,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:19:49,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:19:49,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:19:49,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:19:47" (1/3) ... [2020-09-25 02:19:49,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389f6e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:49, skipping insertion in model container [2020-09-25 02:19:49,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:48" (2/3) ... [2020-09-25 02:19:49,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389f6e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:49, skipping insertion in model container [2020-09-25 02:19:49,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:49" (3/3) ... [2020-09-25 02:19:49,034 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-09-25 02:19:49,045 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:19:49,056 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-25 02:19:49,078 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-25 02:19:49,114 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:19:49,115 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:19:49,115 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:19:49,115 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:19:49,115 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:19:49,115 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:19:49,116 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:19:49,116 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:19:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-09-25 02:19:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 02:19:49,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:49,164 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] [2020-09-25 02:19:49,165 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:49,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:49,174 INFO L82 PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times [2020-09-25 02:19:49,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:49,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640615370] [2020-09-25 02:19:49,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:49,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:49,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 02:19:49,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-25 02:19:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:19:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 02:19:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 02:19:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:19:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:19:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:49,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:49,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:19:49,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:19:49,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:19:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:19:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:19:49,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:19:49,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640615370] [2020-09-25 02:19:49,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:19:49,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:19:49,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175062879] [2020-09-25 02:19:50,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:19:50,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:19:50,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:19:50,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:19:50,024 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 8 states. [2020-09-25 02:19:50,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:19:50,937 INFO L93 Difference]: Finished difference Result 339 states and 382 transitions. [2020-09-25 02:19:50,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:19:50,939 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-25 02:19:50,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:19:50,957 INFO L225 Difference]: With dead ends: 339 [2020-09-25 02:19:50,957 INFO L226 Difference]: Without dead ends: 287 [2020-09-25 02:19:50,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 02:19:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-25 02:19:51,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193. [2020-09-25 02:19:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 02:19:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions. [2020-09-25 02:19:51,030 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33 [2020-09-25 02:19:51,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:19:51,030 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 197 transitions. [2020-09-25 02:19:51,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:19:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2020-09-25 02:19:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 02:19:51,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:51,032 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] [2020-09-25 02:19:51,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:19:51,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:51,033 INFO L82 PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times [2020-09-25 02:19:51,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:51,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350038458] [2020-09-25 02:19:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:51,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 02:19:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 02:19:51,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:19:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 02:19:51,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 02:19:51,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:19:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:51,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:51,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:51,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:19:51,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:51,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:19:51,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:19:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:19:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:19:51,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:19:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:19:51,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350038458] [2020-09-25 02:19:51,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:19:51,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:19:51,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495968884] [2020-09-25 02:19:51,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:19:51,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:19:51,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:19:51,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:19:51,312 INFO L87 Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states. [2020-09-25 02:19:52,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:19:52,179 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-25 02:19:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:19:52,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-25 02:19:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:19:52,184 INFO L225 Difference]: With dead ends: 287 [2020-09-25 02:19:52,185 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 02:19:52,186 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 [2020-09-25 02:19:52,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 02:19:52,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191. [2020-09-25 02:19:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-25 02:19:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions. [2020-09-25 02:19:52,204 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33 [2020-09-25 02:19:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:19:52,204 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 195 transitions. [2020-09-25 02:19:52,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:19:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2020-09-25 02:19:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 02:19:52,206 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:52,207 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] [2020-09-25 02:19:52,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:19:52,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:52,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:52,208 INFO L82 PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times [2020-09-25 02:19:52,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:52,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137416683] [2020-09-25 02:19:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:52,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:52,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:53,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:53,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:19:53,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:19:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1594 [2020-09-25 02:19:53,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 02:19:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:19:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 02:19:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:19:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:19:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:19:53,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:19:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:19:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:19:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:19:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:19:53,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137416683] [2020-09-25 02:19:53,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:19:53,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 02:19:53,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896408566] [2020-09-25 02:19:53,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 02:19:53,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:19:53,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 02:19:53,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:19:53,983 INFO L87 Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 11 states. [2020-09-25 02:19:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:19:54,646 INFO L93 Difference]: Finished difference Result 257 states and 265 transitions. [2020-09-25 02:19:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 02:19:54,647 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-09-25 02:19:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:19:54,654 INFO L225 Difference]: With dead ends: 257 [2020-09-25 02:19:54,654 INFO L226 Difference]: Without dead ends: 255 [2020-09-25 02:19:54,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-25 02:19:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-25 02:19:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 189. [2020-09-25 02:19:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-25 02:19:54,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2020-09-25 02:19:54,686 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43 [2020-09-25 02:19:54,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:19:54,686 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2020-09-25 02:19:54,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 02:19:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2020-09-25 02:19:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 02:19:54,688 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:54,689 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] [2020-09-25 02:19:54,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:19:54,689 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:54,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:54,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times [2020-09-25 02:19:54,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:54,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582713844] [2020-09-25 02:19:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:54,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:54,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:54,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:56,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:56,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:19:56,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:19:56,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1509 [2020-09-25 02:19:56,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:56,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 02:19:56,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:19:56,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 02:19:56,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:56,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:19:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:56,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:56,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:56,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:19:56,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:56,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:19:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:19:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:19:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:19:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:19:56,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582713844] [2020-09-25 02:19:56,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:19:56,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 02:19:56,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109948386] [2020-09-25 02:19:56,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 02:19:56,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:19:56,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 02:19:56,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:19:56,365 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 11 states. [2020-09-25 02:19:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:19:57,067 INFO L93 Difference]: Finished difference Result 255 states and 263 transitions. [2020-09-25 02:19:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 02:19:57,068 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-09-25 02:19:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:19:57,074 INFO L225 Difference]: With dead ends: 255 [2020-09-25 02:19:57,074 INFO L226 Difference]: Without dead ends: 253 [2020-09-25 02:19:57,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-25 02:19:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-25 02:19:57,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 187. [2020-09-25 02:19:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-25 02:19:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions. [2020-09-25 02:19:57,097 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43 [2020-09-25 02:19:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:19:57,100 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 191 transitions. [2020-09-25 02:19:57,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 02:19:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2020-09-25 02:19:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 02:19:57,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:57,105 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] [2020-09-25 02:19:57,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 02:19:57,106 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:57,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times [2020-09-25 02:19:57,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:57,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521554254] [2020-09-25 02:19:57,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:57,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:58,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:58,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:19:58,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:19:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-09-25 02:19:58,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:19:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 02:19:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 02:19:58,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:58,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:19:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:58,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:58,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:19:58,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:19:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:19:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:19:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:19:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:19:58,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521554254] [2020-09-25 02:19:58,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:19:58,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:19:58,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360982335] [2020-09-25 02:19:58,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:19:58,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:19:58,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:19:58,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:19:58,103 INFO L87 Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 6 states. [2020-09-25 02:19:58,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:19:58,426 INFO L93 Difference]: Finished difference Result 187 states and 191 transitions. [2020-09-25 02:19:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 02:19:58,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-25 02:19:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:19:58,428 INFO L225 Difference]: With dead ends: 187 [2020-09-25 02:19:58,429 INFO L226 Difference]: Without dead ends: 175 [2020-09-25 02:19:58,429 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 [2020-09-25 02:19:58,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-25 02:19:58,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-25 02:19:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-25 02:19:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-25 02:19:58,437 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48 [2020-09-25 02:19:58,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:19:58,438 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-25 02:19:58,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:19:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-25 02:19:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 02:19:58,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:58,440 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] [2020-09-25 02:19:58,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 02:19:58,440 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:58,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:58,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times [2020-09-25 02:19:58,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:58,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585764413] [2020-09-25 02:19:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:58,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:58,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:58,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:19:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:19:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 02:19:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:19:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:19:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 02:19:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:58,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:19:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:58,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:19:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:19:58,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:19:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:19:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:19:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:19:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:19:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:19:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:19:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:19:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:19:58,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585764413] [2020-09-25 02:19:58,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:19:58,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:19:58,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595101656] [2020-09-25 02:19:58,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:19:58,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:19:58,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:19:58,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:19:58,834 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 8 states. [2020-09-25 02:19:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:19:59,903 INFO L93 Difference]: Finished difference Result 374 states and 383 transitions. [2020-09-25 02:19:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 02:19:59,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-25 02:19:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:19:59,908 INFO L225 Difference]: With dead ends: 374 [2020-09-25 02:19:59,908 INFO L226 Difference]: Without dead ends: 372 [2020-09-25 02:19:59,909 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 [2020-09-25 02:19:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-09-25 02:19:59,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 173. [2020-09-25 02:19:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-25 02:19:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-25 02:19:59,924 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48 [2020-09-25 02:19:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:19:59,924 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-25 02:19:59,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:19:59,928 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-25 02:19:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 02:19:59,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:19:59,935 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] [2020-09-25 02:19:59,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 02:19:59,937 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:19:59,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:19:59,938 INFO L82 PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times [2020-09-25 02:19:59,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:19:59,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427856347] [2020-09-25 02:19:59,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:19:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:19:59,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:00,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:00,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:00,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:20:00,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-25 02:20:00,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:20:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:20:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 02:20:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:00,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:00,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:00,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:00,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:00,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:20:00,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:00,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:00,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427856347] [2020-09-25 02:20:00,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:00,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:20:00,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812980632] [2020-09-25 02:20:00,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:20:00,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:00,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:20:00,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:20:00,397 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 8 states. [2020-09-25 02:20:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:01,118 INFO L93 Difference]: Finished difference Result 253 states and 259 transitions. [2020-09-25 02:20:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 02:20:01,119 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-25 02:20:01,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:01,121 INFO L225 Difference]: With dead ends: 253 [2020-09-25 02:20:01,122 INFO L226 Difference]: Without dead ends: 251 [2020-09-25 02:20:01,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-25 02:20:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-25 02:20:01,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 171. [2020-09-25 02:20:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-25 02:20:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions. [2020-09-25 02:20:01,130 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48 [2020-09-25 02:20:01,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:01,132 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 175 transitions. [2020-09-25 02:20:01,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:20:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2020-09-25 02:20:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 02:20:01,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:01,133 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] [2020-09-25 02:20:01,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 02:20:01,134 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:01,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:01,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times [2020-09-25 02:20:01,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:01,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101766624] [2020-09-25 02:20:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:01,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:01,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:02,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:20:02,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:20:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-09-25 02:20:02,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:20:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 02:20:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 02:20:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:02,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:02,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:02,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:02,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:20:02,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:02,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101766624] [2020-09-25 02:20:02,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:02,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:20:02,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192045272] [2020-09-25 02:20:02,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:20:02,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:02,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:20:02,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:20:02,088 INFO L87 Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 6 states. [2020-09-25 02:20:02,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:02,391 INFO L93 Difference]: Finished difference Result 171 states and 175 transitions. [2020-09-25 02:20:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 02:20:02,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-25 02:20:02,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:02,397 INFO L225 Difference]: With dead ends: 171 [2020-09-25 02:20:02,397 INFO L226 Difference]: Without dead ends: 159 [2020-09-25 02:20:02,398 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 [2020-09-25 02:20:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-25 02:20:02,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-09-25 02:20:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-25 02:20:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-25 02:20:02,405 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-25 02:20:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:02,406 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-25 02:20:02,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:20:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-25 02:20:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 02:20:02,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:02,407 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] [2020-09-25 02:20:02,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 02:20:02,408 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:02,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:02,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times [2020-09-25 02:20:02,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:02,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935769484] [2020-09-25 02:20:02,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:02,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:02,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:02,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 02:20:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-09-25 02:20:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:20:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:20:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 02:20:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:02,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:02,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:02,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:02,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:02,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:02,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:02,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935769484] [2020-09-25 02:20:02,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:02,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:20:02,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704375237] [2020-09-25 02:20:02,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:20:02,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:02,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:20:02,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:20:02,893 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 9 states. [2020-09-25 02:20:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:03,378 INFO L93 Difference]: Finished difference Result 229 states and 235 transitions. [2020-09-25 02:20:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 02:20:03,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-25 02:20:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:03,380 INFO L225 Difference]: With dead ends: 229 [2020-09-25 02:20:03,381 INFO L226 Difference]: Without dead ends: 227 [2020-09-25 02:20:03,381 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 [2020-09-25 02:20:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-25 02:20:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157. [2020-09-25 02:20:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-25 02:20:03,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2020-09-25 02:20:03,388 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53 [2020-09-25 02:20:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:03,388 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2020-09-25 02:20:03,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:20:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2020-09-25 02:20:03,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 02:20:03,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:03,389 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, 1, 1, 1, 1, 1] [2020-09-25 02:20:03,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 02:20:03,389 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:03,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:03,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times [2020-09-25 02:20:03,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:03,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038634450] [2020-09-25 02:20:03,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:03,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:03,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:03,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 02:20:03,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-25 02:20:03,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:20:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:20:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 02:20:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:03,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:03,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:03,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:03,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:03,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:03,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:03,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038634450] [2020-09-25 02:20:03,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:03,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:20:03,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907765461] [2020-09-25 02:20:03,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:20:03,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:03,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:20:03,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:20:03,797 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 9 states. [2020-09-25 02:20:04,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:04,301 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2020-09-25 02:20:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 02:20:04,302 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-25 02:20:04,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:04,304 INFO L225 Difference]: With dead ends: 210 [2020-09-25 02:20:04,304 INFO L226 Difference]: Without dead ends: 208 [2020-09-25 02:20:04,305 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 [2020-09-25 02:20:04,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-25 02:20:04,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2020-09-25 02:20:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-25 02:20:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2020-09-25 02:20:04,311 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53 [2020-09-25 02:20:04,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:04,312 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2020-09-25 02:20:04,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:20:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2020-09-25 02:20:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 02:20:04,312 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:04,313 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] [2020-09-25 02:20:04,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 02:20:04,313 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:04,314 INFO L82 PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times [2020-09-25 02:20:04,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:04,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972621199] [2020-09-25 02:20:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:04,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:04,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:04,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:04,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 02:20:04,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:04,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 02:20:04,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:04,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:20:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:20:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 02:20:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:04,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:04,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:04,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:04,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:04,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:04,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:04,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972621199] [2020-09-25 02:20:04,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:04,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:20:04,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075720425] [2020-09-25 02:20:04,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:20:04,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:04,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:20:04,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:20:04,736 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 9 states. [2020-09-25 02:20:05,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:05,110 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2020-09-25 02:20:05,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 02:20:05,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-25 02:20:05,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:05,112 INFO L225 Difference]: With dead ends: 161 [2020-09-25 02:20:05,113 INFO L226 Difference]: Without dead ends: 159 [2020-09-25 02:20:05,114 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 [2020-09-25 02:20:05,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-25 02:20:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2020-09-25 02:20:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-25 02:20:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-09-25 02:20:05,120 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53 [2020-09-25 02:20:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:05,120 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-09-25 02:20:05,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:20:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-09-25 02:20:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 02:20:05,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:05,121 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] [2020-09-25 02:20:05,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 02:20:05,122 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:05,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:05,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times [2020-09-25 02:20:05,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:05,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546197263] [2020-09-25 02:20:05,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:05,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:05,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:05,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:05,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 02:20:05,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:05,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-09-25 02:20:05,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:20:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 02:20:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:05,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:05,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:05,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:05,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:05,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:05,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:05,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:05,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 02:20:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:05,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546197263] [2020-09-25 02:20:05,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:05,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:05,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005951220] [2020-09-25 02:20:05,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:05,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:05,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:05,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:05,943 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 10 states. [2020-09-25 02:20:06,266 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-09-25 02:20:06,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:06,964 INFO L93 Difference]: Finished difference Result 317 states and 327 transitions. [2020-09-25 02:20:06,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 02:20:06,965 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-25 02:20:06,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:06,968 INFO L225 Difference]: With dead ends: 317 [2020-09-25 02:20:06,968 INFO L226 Difference]: Without dead ends: 315 [2020-09-25 02:20:06,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-25 02:20:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-25 02:20:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 151. [2020-09-25 02:20:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-09-25 02:20:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2020-09-25 02:20:06,977 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 53 [2020-09-25 02:20:06,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:06,977 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2020-09-25 02:20:06,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2020-09-25 02:20:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 02:20:06,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:06,978 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] [2020-09-25 02:20:06,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 02:20:06,979 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:06,980 INFO L82 PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times [2020-09-25 02:20:06,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:06,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027695146] [2020-09-25 02:20:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:06,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:07,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:07,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 02:20:07,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:07,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627 [2020-09-25 02:20:07,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:20:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 02:20:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:07,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:07,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:07,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:07,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:07,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:07,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027695146] [2020-09-25 02:20:07,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:07,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:07,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71785935] [2020-09-25 02:20:07,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:07,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:07,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:07,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:07,804 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 10 states. [2020-09-25 02:20:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:08,612 INFO L93 Difference]: Finished difference Result 228 states and 234 transitions. [2020-09-25 02:20:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 02:20:08,612 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-25 02:20:08,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:08,615 INFO L225 Difference]: With dead ends: 228 [2020-09-25 02:20:08,615 INFO L226 Difference]: Without dead ends: 226 [2020-09-25 02:20:08,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-09-25 02:20:08,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-25 02:20:08,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 149. [2020-09-25 02:20:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-25 02:20:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2020-09-25 02:20:08,622 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 53 [2020-09-25 02:20:08,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:08,623 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2020-09-25 02:20:08,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2020-09-25 02:20:08,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 02:20:08,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:08,624 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] [2020-09-25 02:20:08,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-25 02:20:08,624 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:08,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times [2020-09-25 02:20:08,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:08,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000100614] [2020-09-25 02:20:08,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:08,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:09,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:09,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 02:20:09,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 950 [2020-09-25 02:20:09,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:20:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 02:20:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:09,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:09,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:09,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:09,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000100614] [2020-09-25 02:20:09,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:09,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:09,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175364901] [2020-09-25 02:20:09,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:09,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:09,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:09,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:09,747 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 10 states. [2020-09-25 02:20:10,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:10,599 INFO L93 Difference]: Finished difference Result 274 states and 283 transitions. [2020-09-25 02:20:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 02:20:10,600 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-25 02:20:10,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:10,602 INFO L225 Difference]: With dead ends: 274 [2020-09-25 02:20:10,602 INFO L226 Difference]: Without dead ends: 272 [2020-09-25 02:20:10,603 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 [2020-09-25 02:20:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-25 02:20:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 193. [2020-09-25 02:20:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 02:20:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 202 transitions. [2020-09-25 02:20:10,612 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 202 transitions. Word has length 58 [2020-09-25 02:20:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:10,612 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 202 transitions. [2020-09-25 02:20:10,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2020-09-25 02:20:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 02:20:10,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:10,613 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] [2020-09-25 02:20:10,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-25 02:20:10,614 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:10,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:10,614 INFO L82 PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times [2020-09-25 02:20:10,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:10,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527395944] [2020-09-25 02:20:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:10,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:11,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:11,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 02:20:11,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 948 [2020-09-25 02:20:11,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:20:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 02:20:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:11,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:11,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:11,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:11,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:11,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:11,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:11,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527395944] [2020-09-25 02:20:11,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:11,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:11,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871345029] [2020-09-25 02:20:11,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:11,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:11,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:11,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:11,732 INFO L87 Difference]: Start difference. First operand 193 states and 202 transitions. Second operand 10 states. [2020-09-25 02:20:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:12,511 INFO L93 Difference]: Finished difference Result 269 states and 277 transitions. [2020-09-25 02:20:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 02:20:12,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-25 02:20:12,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:12,514 INFO L225 Difference]: With dead ends: 269 [2020-09-25 02:20:12,514 INFO L226 Difference]: Without dead ends: 267 [2020-09-25 02:20:12,515 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 [2020-09-25 02:20:12,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-25 02:20:12,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 193. [2020-09-25 02:20:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 02:20:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 201 transitions. [2020-09-25 02:20:12,522 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 201 transitions. Word has length 58 [2020-09-25 02:20:12,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:12,523 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 201 transitions. [2020-09-25 02:20:12,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 201 transitions. [2020-09-25 02:20:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 02:20:12,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:12,524 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] [2020-09-25 02:20:12,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-25 02:20:12,524 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:12,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:12,525 INFO L82 PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times [2020-09-25 02:20:12,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:12,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41687634] [2020-09-25 02:20:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:12,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 02:20:13,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:20:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-09-25 02:20:13,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:20:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 02:20:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:13,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:13,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:13,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:13,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:13,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:20:13,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:13,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41687634] [2020-09-25 02:20:13,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:13,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:13,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853343647] [2020-09-25 02:20:13,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:13,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:13,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:13,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:13,580 INFO L87 Difference]: Start difference. First operand 193 states and 201 transitions. Second operand 10 states. [2020-09-25 02:20:14,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:14,292 INFO L93 Difference]: Finished difference Result 205 states and 212 transitions. [2020-09-25 02:20:14,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:20:14,293 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-25 02:20:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:14,294 INFO L225 Difference]: With dead ends: 205 [2020-09-25 02:20:14,295 INFO L226 Difference]: Without dead ends: 193 [2020-09-25 02:20:14,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-09-25 02:20:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-25 02:20:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-09-25 02:20:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 02:20:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 200 transitions. [2020-09-25 02:20:14,302 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 200 transitions. Word has length 58 [2020-09-25 02:20:14,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:14,303 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 200 transitions. [2020-09-25 02:20:14,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 200 transitions. [2020-09-25 02:20:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-25 02:20:14,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:14,304 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] [2020-09-25 02:20:14,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-25 02:20:14,304 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:14,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times [2020-09-25 02:20:14,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:14,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961600639] [2020-09-25 02:20:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:14,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:14,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:14,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:16,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:17,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:17,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:17,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:19,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:19,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 02:20:19,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 02:20:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 02:20:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 02:20:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-25 02:20:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 02:20:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:19,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:19,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:20:19,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:19,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:19,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961600639] [2020-09-25 02:20:19,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:19,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 02:20:19,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399137315] [2020-09-25 02:20:19,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 02:20:19,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:19,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 02:20:19,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:20:19,432 INFO L87 Difference]: Start difference. First operand 193 states and 200 transitions. Second operand 11 states. [2020-09-25 02:20:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:20,106 INFO L93 Difference]: Finished difference Result 285 states and 296 transitions. [2020-09-25 02:20:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 02:20:20,106 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-09-25 02:20:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:20,109 INFO L225 Difference]: With dead ends: 285 [2020-09-25 02:20:20,109 INFO L226 Difference]: Without dead ends: 283 [2020-09-25 02:20:20,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-09-25 02:20:20,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-09-25 02:20:20,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 191. [2020-09-25 02:20:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-25 02:20:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 198 transitions. [2020-09-25 02:20:20,124 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 198 transitions. Word has length 66 [2020-09-25 02:20:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:20,124 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 198 transitions. [2020-09-25 02:20:20,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 02:20:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 198 transitions. [2020-09-25 02:20:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 02:20:20,126 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:20,126 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] [2020-09-25 02:20:20,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-25 02:20:20,127 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:20,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times [2020-09-25 02:20:20,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:20,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160402512] [2020-09-25 02:20:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:20,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:20,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:20,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:22,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:22,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 02:20:22,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:20:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2372 [2020-09-25 02:20:22,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:20:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-25 02:20:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 02:20:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:22,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:22,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:22,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:22,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160402512] [2020-09-25 02:20:22,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:22,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:20:22,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47297225] [2020-09-25 02:20:22,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:20:22,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:22,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:20:22,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:20:22,578 INFO L87 Difference]: Start difference. First operand 191 states and 198 transitions. Second operand 6 states. [2020-09-25 02:20:22,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:22,852 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2020-09-25 02:20:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 02:20:22,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-25 02:20:22,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:22,854 INFO L225 Difference]: With dead ends: 191 [2020-09-25 02:20:22,855 INFO L226 Difference]: Without dead ends: 124 [2020-09-25 02:20:22,856 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 [2020-09-25 02:20:22,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-25 02:20:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-09-25 02:20:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-25 02:20:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 127 transitions. [2020-09-25 02:20:22,861 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 127 transitions. Word has length 71 [2020-09-25 02:20:22,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:22,862 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 127 transitions. [2020-09-25 02:20:22,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:20:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 127 transitions. [2020-09-25 02:20:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 02:20:22,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:22,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:20:22,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-25 02:20:22,880 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:22,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:22,880 INFO L82 PathProgramCache]: Analyzing trace with hash 706583424, now seen corresponding path program 1 times [2020-09-25 02:20:22,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:22,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216925451] [2020-09-25 02:20:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:22,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:23,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 02:20:26,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:20:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3468 [2020-09-25 02:20:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 02:20:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 02:20:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:26,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:26,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:26,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:26,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:20:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:26,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216925451] [2020-09-25 02:20:26,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:26,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:26,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410521720] [2020-09-25 02:20:26,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:26,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:26,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:26,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:26,507 INFO L87 Difference]: Start difference. First operand 124 states and 127 transitions. Second operand 10 states. [2020-09-25 02:20:27,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:27,013 INFO L93 Difference]: Finished difference Result 175 states and 180 transitions. [2020-09-25 02:20:27,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:20:27,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-25 02:20:27,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:27,015 INFO L225 Difference]: With dead ends: 175 [2020-09-25 02:20:27,015 INFO L226 Difference]: Without dead ends: 173 [2020-09-25 02:20:27,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 02:20:27,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-25 02:20:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 122. [2020-09-25 02:20:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-25 02:20:27,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 125 transitions. [2020-09-25 02:20:27,021 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 125 transitions. Word has length 78 [2020-09-25 02:20:27,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:27,021 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 125 transitions. [2020-09-25 02:20:27,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 125 transitions. [2020-09-25 02:20:27,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 02:20:27,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:27,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:20:27,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-25 02:20:27,023 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:27,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:27,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times [2020-09-25 02:20:27,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:27,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [231796441] [2020-09-25 02:20:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:27,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:30,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:30,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 02:20:30,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:20:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3314 [2020-09-25 02:20:30,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 02:20:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 02:20:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:30,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:30,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:30,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:30,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:30,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:30,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:20:30,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:30,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:30,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [231796441] [2020-09-25 02:20:30,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:30,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:30,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188370678] [2020-09-25 02:20:30,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:30,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:30,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:30,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:30,502 INFO L87 Difference]: Start difference. First operand 122 states and 125 transitions. Second operand 10 states. [2020-09-25 02:20:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:31,006 INFO L93 Difference]: Finished difference Result 170 states and 175 transitions. [2020-09-25 02:20:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:20:31,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-25 02:20:31,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:31,009 INFO L225 Difference]: With dead ends: 170 [2020-09-25 02:20:31,009 INFO L226 Difference]: Without dead ends: 168 [2020-09-25 02:20:31,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 02:20:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-09-25 02:20:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 120. [2020-09-25 02:20:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-25 02:20:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2020-09-25 02:20:31,015 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 78 [2020-09-25 02:20:31,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:31,016 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 123 transitions. [2020-09-25 02:20:31,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 123 transitions. [2020-09-25 02:20:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 02:20:31,017 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:20:31,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:20:31,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-25 02:20:31,017 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:20:31,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:20:31,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times [2020-09-25 02:20:31,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:20:31,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517297830] [2020-09-25 02:20:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:20:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:31,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:31,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:34,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:34,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 02:20:34,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:20:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3228 [2020-09-25 02:20:34,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:20:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 02:20:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 02:20:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:20:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:20:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:20:34,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:20:34,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:20:34,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:20:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:20:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:20:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:20:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:20:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:20:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:20:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:20:34,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517297830] [2020-09-25 02:20:34,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:20:34,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:20:34,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340924530] [2020-09-25 02:20:34,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:20:34,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:20:34,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:20:34,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:20:34,399 INFO L87 Difference]: Start difference. First operand 120 states and 123 transitions. Second operand 10 states. [2020-09-25 02:20:34,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:20:34,851 INFO L93 Difference]: Finished difference Result 120 states and 123 transitions. [2020-09-25 02:20:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 02:20:34,852 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-25 02:20:34,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:20:34,853 INFO L225 Difference]: With dead ends: 120 [2020-09-25 02:20:34,853 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 02:20:34,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-25 02:20:34,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 02:20:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 02:20:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 02:20:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 02:20:34,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-25 02:20:34,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:20:34,856 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 02:20:34,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:20:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 02:20:34,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 02:20:34,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-25 02:20:34,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 02:20:35,030 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 9 [2020-09-25 02:20:35,226 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-09-25 02:20:35,526 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 7 [2020-09-25 02:20:35,671 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 02:20:35,671 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 02:20:35,671 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 02:20:35,671 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 02:20:35,672 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_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-25 02:20:35,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 02:20:35,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 02:20:35,672 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 02:20:35,672 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 02:20:35,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 02:20:35,672 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-25 02:20:35,673 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 02:20:35,673 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-25 02:20:35,673 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-25 02:20:35,673 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 02:20:35,673 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-09-25 02:20:35,673 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) 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 (not (= main_~__VERIFIER_assert__cond~13 0))) (.cse3 (= main_~__VERIFIER_assert__cond~12 1)) (.cse4 (= main_~__tmp_13~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 main_~__VERIFIER_assert__cond~19) (<= 1 main_~__tmp_20~0)) (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~13 1) (= main_~__tmp_14~0 1) .cse2 .cse3 .cse4))) (<= 0 main_~main__t~0)) [2020-09-25 02:20:35,674 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-25 02:20:35,674 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-25 02:20:35,674 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-09-25 02:20:35,674 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-09-25 02:20:35,674 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-25 02:20:35,675 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-25 02:20:35,675 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 02:20:35,675 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 02:20:35,675 INFO L268 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-09-25 02:20:35,675 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 02:20:35,675 INFO L268 CegarLoopResult]: For program point L102-2(line 102) no Hoare annotation was computed. [2020-09-25 02:20:35,676 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-25 02:20:35,676 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-25 02:20:35,676 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-25 02:20:35,677 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-25 02:20:35,677 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-09-25 02:20:35,678 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-25 02:20:35,679 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-25 02:20:35,679 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-25 02:20:35,679 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-25 02:20:35,679 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 02:20:35,680 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-25 02:20:35,681 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-25 02:20:35,682 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-25 02:20:35,683 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-09-25 02:20:35,684 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-09-25 02:20:35,685 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-25 02:20:35,685 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-25 02:20:35,685 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-25 02:20:35,685 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-25 02:20:35,685 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-25 02:20:35,685 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-25 02:20:35,686 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-25 02:20:35,686 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-25 02:20:35,686 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-25 02:20:35,686 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-09-25 02:20:35,686 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-25 02:20:35,687 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-09-25 02:20:35,688 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-25 02:20:35,689 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-25 02:20:35,690 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-25 02:20:35,691 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-09-25 02:20:35,692 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-25 02:20:35,692 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-25 02:20:35,692 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-25 02:20:35,692 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-25 02:20:35,693 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-25 02:20:35,693 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-25 02:20:35,693 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-25 02:20:35,693 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-25 02:20:35,693 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-09-25 02:20:35,694 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-09-25 02:20:35,694 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-25 02:20:35,694 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-09-25 02:20:35,695 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-25 02:20:35,696 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L264 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: (<= main_~main__t~0 main_~main__tagbuf_len~0) [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-09-25 02:20:35,697 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point L98-2(line 98) no Hoare annotation was computed. [2020-09-25 02:20:35,698 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 02:20:35,699 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-25 02:20:35,700 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-25 02:20:35,701 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-25 02:20:35,702 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-25 02:20:35,703 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-25 02:20:35,703 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-25 02:20:35,703 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-09-25 02:20:35,703 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-25 02:20:35,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:20:35 BoogieIcfgContainer [2020-09-25 02:20:35,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 02:20:35,747 INFO L168 Benchmark]: Toolchain (without parser) took 48138.41 ms. Allocated memory was 112.7 MB in the beginning and 365.4 MB in the end (delta: 252.7 MB). Free memory was 73.2 MB in the beginning and 239.2 MB in the end (delta: -166.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-09-25 02:20:35,749 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 112.7 MB. Free memory was 90.7 MB in the beginning and 90.6 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-25 02:20:35,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.50 ms. Allocated memory was 112.7 MB in the beginning and 127.9 MB in the end (delta: 15.2 MB). Free memory was 72.6 MB in the beginning and 97.1 MB in the end (delta: -24.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2020-09-25 02:20:35,753 INFO L168 Benchmark]: Boogie Preprocessor took 169.31 ms. Allocated memory was 127.9 MB in the beginning and 166.7 MB in the end (delta: 38.8 MB). Free memory was 97.1 MB in the beginning and 151.1 MB in the end (delta: -54.0 MB). Peak memory consumption was 353.6 kB. Max. memory is 7.1 GB. [2020-09-25 02:20:35,754 INFO L168 Benchmark]: RCFGBuilder took 720.92 ms. Allocated memory is still 166.7 MB. Free memory was 151.1 MB in the beginning and 114.0 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-09-25 02:20:35,754 INFO L168 Benchmark]: TraceAbstraction took 46710.69 ms. Allocated memory was 166.7 MB in the beginning and 365.4 MB in the end (delta: 198.7 MB). Free memory was 113.6 MB in the beginning and 244.4 MB in the end (delta: -130.9 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2020-09-25 02:20:35,760 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 112.7 MB. Free memory was 90.7 MB in the beginning and 90.6 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 528.50 ms. Allocated memory was 112.7 MB in the beginning and 127.9 MB in the end (delta: 15.2 MB). Free memory was 72.6 MB in the beginning and 97.1 MB in the end (delta: -24.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.31 ms. Allocated memory was 127.9 MB in the beginning and 166.7 MB in the end (delta: 38.8 MB). Free memory was 97.1 MB in the beginning and 151.1 MB in the end (delta: -54.0 MB). Peak memory consumption was 353.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 720.92 ms. Allocated memory is still 166.7 MB. Free memory was 151.1 MB in the beginning and 114.0 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46710.69 ms. Allocated memory was 166.7 MB in the beginning and 365.4 MB in the end (delta: 198.7 MB). Free memory was 113.6 MB in the beginning and 244.4 MB in the end (delta: -130.9 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_20) || ((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && __VERIFIER_assert__cond == 1) && __tmp_14 == 1) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1)) && 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.7s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3700 SDtfs, 9682 SDslu, 8595 SDs, 0 SdLazy, 9706 SolverSat, 381 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 77 SyntacticMatches, 2 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred 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, 21 MinimizatonAttempts, 1313 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 15 NumberOfFragments, 110 HoareAnnotationTreeSize, 9 FomulaSimplifications, 1422852 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4547 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 1154 NumberOfCodeBlocks, 1154 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1133 ConstructedInterpolants, 0 QuantifiedInterpolants, 186808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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...