/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:50:46,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:50:46,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:50:47,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:50:47,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:50:47,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:50:47,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:50:47,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:50:47,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:50:47,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:50:47,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:50:47,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:50:47,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:50:47,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:50:47,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:50:47,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:50:47,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:50:47,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:50:47,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:50:47,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:50:47,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:50:47,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:50:47,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:50:47,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:50:47,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:50:47,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:50:47,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:50:47,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:50:47,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:50:47,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:50:47,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:50:47,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:50:47,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:50:47,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:50:47,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:50:47,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:50:47,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:50:47,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:50:47,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:50:47,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:50:47,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:50:47,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 12:50:47,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:50:47,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:50:47,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:50:47,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:50:47,134 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:50:47,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:50:47,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:50:47,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:50:47,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:50:47,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:50:47,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:50:47,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:50:47,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:50:47,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:50:47,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:50:47,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:50:47,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:50:47,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:50:47,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:50:47,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:50:47,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:50:47,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:50:47,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:50:47,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:50:47,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:50:47,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:50:47,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:50:47,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:50:47,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:50:47,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:50:47,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:50:47,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:50:47,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:50:47,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:50:47,517 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:50:47,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-28 12:50:47,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47bbe9a89/7213106c56c34fadb41b634f100a1fee/FLAG3cf4a651c [2020-10-28 12:50:48,292 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:50:48,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2020-10-28 12:50:48,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47bbe9a89/7213106c56c34fadb41b634f100a1fee/FLAG3cf4a651c [2020-10-28 12:50:48,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47bbe9a89/7213106c56c34fadb41b634f100a1fee [2020-10-28 12:50:48,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:50:48,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:50:48,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:50:48,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:50:48,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:50:48,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:50:48" (1/1) ... [2020-10-28 12:50:48,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751b3c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:48, skipping insertion in model container [2020-10-28 12:50:48,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:50:48" (1/1) ... [2020-10-28 12:50:48,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:50:48,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:50:49,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:50:49,243 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:50:49,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:50:49,449 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:50:49,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49 WrapperNode [2020-10-28 12:50:49,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:50:49,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:50:49,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:50:49,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:50:49,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... [2020-10-28 12:50:49,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:50:49,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:50:49,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:50:49,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:50:49,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:50:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:50:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:50:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:50:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:50:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:50:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:50:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:50:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:50:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:50:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:50:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:50:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:50:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:50:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:50:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:50:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:50:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:50:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:50:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:50:51,339 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:50:51,340 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:50:51,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:50:51 BoogieIcfgContainer [2020-10-28 12:50:51,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:50:51,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:50:51,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:50:51,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:50:51,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:50:48" (1/3) ... [2020-10-28 12:50:51,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fb58cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:50:51, skipping insertion in model container [2020-10-28 12:50:51,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:50:49" (2/3) ... [2020-10-28 12:50:51,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fb58cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:50:51, skipping insertion in model container [2020-10-28 12:50:51,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:50:51" (3/3) ... [2020-10-28 12:50:51,352 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-10-28 12:50:51,364 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:50:51,370 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:50:51,383 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:50:51,413 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:50:51,414 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:50:51,414 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:50:51,414 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:50:51,414 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:50:51,414 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:50:51,414 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:50:51,415 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:50:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-28 12:50:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-28 12:50:51,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:50:51,449 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] [2020-10-28 12:50:51,450 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:50:51,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:50:51,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2120988074, now seen corresponding path program 1 times [2020-10-28 12:50:51,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:50:51,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041328206] [2020-10-28 12:50:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:50:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:50:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:52,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:50:52,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 12:50:52,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:50:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-28 12:50:52,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:50:52,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:50:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:50:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:50:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 12:50:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 12:50:52,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:50:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:50:52,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:52,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:50:52,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:50:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:50:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:50:52,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:50:52,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:50:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:50:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:50:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:50:52,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:50:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:50:52,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041328206] [2020-10-28 12:50:52,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:50:52,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 12:50:52,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628289442] [2020-10-28 12:50:52,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:50:52,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:50:52,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:50:52,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:50:52,497 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-10-28 12:50:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:50:56,287 INFO L93 Difference]: Finished difference Result 891 states and 1619 transitions. [2020-10-28 12:50:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:50:56,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-28 12:50:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:50:56,310 INFO L225 Difference]: With dead ends: 891 [2020-10-28 12:50:56,310 INFO L226 Difference]: Without dead ends: 565 [2020-10-28 12:50:56,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:50:56,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-28 12:50:56,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 559. [2020-10-28 12:50:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-28 12:50:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 907 transitions. [2020-10-28 12:50:56,428 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 907 transitions. Word has length 39 [2020-10-28 12:50:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:50:56,429 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 907 transitions. [2020-10-28 12:50:56,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:50:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 907 transitions. [2020-10-28 12:50:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-28 12:50:56,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:50:56,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:50:56,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:50:56,436 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:50:56,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:50:56,437 INFO L82 PathProgramCache]: Analyzing trace with hash -531711625, now seen corresponding path program 1 times [2020-10-28 12:50:56,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:50:56,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636107099] [2020-10-28 12:50:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:50:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:50:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:56,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:57,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:58,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:50:58,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-28 12:50:58,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:50:58,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1578 [2020-10-28 12:50:58,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:50:58,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:50:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:50:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:50:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:50:58,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:50:58,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:50:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:50:58,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:58,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:50:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:50:58,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:50:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 12:50:58,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:50:58,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:50:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:50:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:50:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:50:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:50:58,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:50:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:50:58,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:50:58,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:50:58,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:50:58,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:50:58,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 12:50:58,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:50:58,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:50:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:50:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:50:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:50:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:50:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:50:58,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636107099] [2020-10-28 12:50:58,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:50:58,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:50:58,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167502556] [2020-10-28 12:50:58,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:50:58,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:50:58,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:50:58,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:50:58,542 INFO L87 Difference]: Start difference. First operand 559 states and 907 transitions. Second operand 7 states. [2020-10-28 12:51:01,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:01,015 INFO L93 Difference]: Finished difference Result 1322 states and 2176 transitions. [2020-10-28 12:51:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:51:01,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-10-28 12:51:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:01,022 INFO L225 Difference]: With dead ends: 1322 [2020-10-28 12:51:01,022 INFO L226 Difference]: Without dead ends: 769 [2020-10-28 12:51:01,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:51:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-28 12:51:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 567. [2020-10-28 12:51:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-10-28 12:51:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 820 transitions. [2020-10-28 12:51:01,083 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 820 transitions. Word has length 113 [2020-10-28 12:51:01,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:01,085 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 820 transitions. [2020-10-28 12:51:01,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:51:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 820 transitions. [2020-10-28 12:51:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 12:51:01,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:01,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:01,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:51:01,098 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:01,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1263845413, now seen corresponding path program 1 times [2020-10-28 12:51:01,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:01,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255313205] [2020-10-28 12:51:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:01,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:02,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 12:51:02,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:51:02,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1299 [2020-10-28 12:51:02,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:02,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:51:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:51:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 12:51:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:02,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:02,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:02,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:02,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:02,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 12:51:02,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:02,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:51:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:02,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:02,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:02,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:51:02,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-28 12:51:02,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:02,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:51:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:51:02,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255313205] [2020-10-28 12:51:02,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:51:02,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:51:02,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497010209] [2020-10-28 12:51:02,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:51:02,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:02,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:51:02,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:51:02,905 INFO L87 Difference]: Start difference. First operand 567 states and 820 transitions. Second operand 7 states. [2020-10-28 12:51:05,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:05,457 INFO L93 Difference]: Finished difference Result 1334 states and 1924 transitions. [2020-10-28 12:51:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:51:05,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-10-28 12:51:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:05,465 INFO L225 Difference]: With dead ends: 1334 [2020-10-28 12:51:05,466 INFO L226 Difference]: Without dead ends: 773 [2020-10-28 12:51:05,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:51:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-10-28 12:51:05,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 751. [2020-10-28 12:51:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2020-10-28 12:51:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1019 transitions. [2020-10-28 12:51:05,518 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1019 transitions. Word has length 122 [2020-10-28 12:51:05,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:05,521 INFO L481 AbstractCegarLoop]: Abstraction has 751 states and 1019 transitions. [2020-10-28 12:51:05,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:51:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1019 transitions. [2020-10-28 12:51:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-28 12:51:05,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:05,534 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:05,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:51:05,535 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:05,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:05,535 INFO L82 PathProgramCache]: Analyzing trace with hash -348177904, now seen corresponding path program 1 times [2020-10-28 12:51:05,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:05,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649074144] [2020-10-28 12:51:05,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:05,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:05,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:06,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:08,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:08,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 12:51:08,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:51:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2885 [2020-10-28 12:51:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:08,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 12:51:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 12:51:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:08,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:08,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:08,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:51:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:08,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:08,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:08,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:08,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:08,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:51:08,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:08,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 12:51:08,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:08,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:51:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:08,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 12:51:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:08,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:08,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:51:08,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 12:51:08,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:08,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:51:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:51:09,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649074144] [2020-10-28 12:51:09,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:51:09,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:51:09,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994630201] [2020-10-28 12:51:09,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:51:09,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:09,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:51:09,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:51:09,145 INFO L87 Difference]: Start difference. First operand 751 states and 1019 transitions. Second operand 8 states. [2020-10-28 12:51:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:12,098 INFO L93 Difference]: Finished difference Result 1908 states and 2731 transitions. [2020-10-28 12:51:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:51:12,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-10-28 12:51:12,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:12,112 INFO L225 Difference]: With dead ends: 1908 [2020-10-28 12:51:12,112 INFO L226 Difference]: Without dead ends: 1345 [2020-10-28 12:51:12,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 12:51:12,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-10-28 12:51:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1317. [2020-10-28 12:51:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-28 12:51:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1673 transitions. [2020-10-28 12:51:12,178 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1673 transitions. Word has length 206 [2020-10-28 12:51:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:12,180 INFO L481 AbstractCegarLoop]: Abstraction has 1317 states and 1673 transitions. [2020-10-28 12:51:12,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:51:12,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1673 transitions. [2020-10-28 12:51:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-28 12:51:12,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:12,184 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:12,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:51:12,184 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:12,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:12,185 INFO L82 PathProgramCache]: Analyzing trace with hash -255207038, now seen corresponding path program 1 times [2020-10-28 12:51:12,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:12,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993347323] [2020-10-28 12:51:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:12,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:13,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:17,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:17,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:51:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 12:51:17,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:17,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:17,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:17,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:17,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:17,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 12:51:17,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:17,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:51:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:51:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:17,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:17,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:17,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:51:17,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-28 12:51:17,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:17,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:17,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:51:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:51:17,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 12:51:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:17,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:17,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:17,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:51:17,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:17,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 12:51:17,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:17,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 12:51:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 62 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:51:17,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993347323] [2020-10-28 12:51:17,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:51:17,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:51:17,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736870189] [2020-10-28 12:51:17,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:51:17,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:17,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:51:17,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:51:17,909 INFO L87 Difference]: Start difference. First operand 1317 states and 1673 transitions. Second operand 7 states. [2020-10-28 12:51:21,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:21,242 INFO L93 Difference]: Finished difference Result 3088 states and 4258 transitions. [2020-10-28 12:51:21,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:51:21,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-28 12:51:21,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:21,259 INFO L225 Difference]: With dead ends: 3088 [2020-10-28 12:51:21,259 INFO L226 Difference]: Without dead ends: 1959 [2020-10-28 12:51:21,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:51:21,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-10-28 12:51:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1887. [2020-10-28 12:51:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-10-28 12:51:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2354 transitions. [2020-10-28 12:51:21,354 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2354 transitions. Word has length 231 [2020-10-28 12:51:21,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:21,355 INFO L481 AbstractCegarLoop]: Abstraction has 1887 states and 2354 transitions. [2020-10-28 12:51:21,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:51:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2354 transitions. [2020-10-28 12:51:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-28 12:51:21,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:21,362 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:21,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:51:21,362 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:21,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1722647737, now seen corresponding path program 1 times [2020-10-28 12:51:21,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:21,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385367699] [2020-10-28 12:51:21,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:21,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:22,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:22,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:25,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:25,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-28 12:51:25,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:51:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4456 [2020-10-28 12:51:25,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:25,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 12:51:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-28 12:51:25,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:25,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:25,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:51:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:25,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:25,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:26,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:26,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:26,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:51:26,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:26,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 12:51:26,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:26,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:51:26,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:26,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 12:51:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:26,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:26,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 12:51:26,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-28 12:51:26,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:26,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 12:51:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:26,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-28 12:51:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:26,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:26,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:26,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:51:26,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 12:51:26,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:26,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 12:51:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 178 proven. 82 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-28 12:51:27,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385367699] [2020-10-28 12:51:27,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:51:27,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:51:27,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333519808] [2020-10-28 12:51:27,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:51:27,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:27,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:51:27,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:51:27,046 INFO L87 Difference]: Start difference. First operand 1887 states and 2354 transitions. Second operand 7 states. [2020-10-28 12:51:27,738 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 12:51:30,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:30,397 INFO L93 Difference]: Finished difference Result 3794 states and 4826 transitions. [2020-10-28 12:51:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:51:30,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 339 [2020-10-28 12:51:30,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:30,409 INFO L225 Difference]: With dead ends: 3794 [2020-10-28 12:51:30,409 INFO L226 Difference]: Without dead ends: 2077 [2020-10-28 12:51:30,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:51:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2020-10-28 12:51:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 2063. [2020-10-28 12:51:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2063 states. [2020-10-28 12:51:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 2266 transitions. [2020-10-28 12:51:30,476 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 2266 transitions. Word has length 339 [2020-10-28 12:51:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:30,476 INFO L481 AbstractCegarLoop]: Abstraction has 2063 states and 2266 transitions. [2020-10-28 12:51:30,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:51:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2266 transitions. [2020-10-28 12:51:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-10-28 12:51:30,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:30,486 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:30,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:51:30,486 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:30,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:30,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1382134764, now seen corresponding path program 1 times [2020-10-28 12:51:30,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:30,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999095564] [2020-10-28 12:51:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:30,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:31,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:31,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:35,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:35,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 476 [2020-10-28 12:51:35,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:51:35,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 12:51:35,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:35,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:51:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-28 12:51:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-28 12:51:35,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:35,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:35,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:35,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:35,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:35,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:51:35,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:35,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:35,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:35,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:35,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:35,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:35,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:35,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:35,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:35,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:51:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:35,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 12:51:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:35,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:51:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:35,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:51:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:51:36,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-28 12:51:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:36,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 12:51:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:36,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:51:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:36,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:36,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:36,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:51:36,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:51:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:36,678 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 375 proven. 4 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-10-28 12:51:36,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999095564] [2020-10-28 12:51:36,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:51:36,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:51:36,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382359961] [2020-10-28 12:51:36,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:51:36,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:36,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:51:36,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:51:36,682 INFO L87 Difference]: Start difference. First operand 2063 states and 2266 transitions. Second operand 7 states. [2020-10-28 12:51:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:38,585 INFO L93 Difference]: Finished difference Result 3774 states and 4202 transitions. [2020-10-28 12:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:51:38,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 458 [2020-10-28 12:51:38,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:38,599 INFO L225 Difference]: With dead ends: 3774 [2020-10-28 12:51:38,599 INFO L226 Difference]: Without dead ends: 2083 [2020-10-28 12:51:38,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:51:38,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2020-10-28 12:51:38,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2061. [2020-10-28 12:51:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2020-10-28 12:51:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2245 transitions. [2020-10-28 12:51:38,710 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2245 transitions. Word has length 458 [2020-10-28 12:51:38,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:38,711 INFO L481 AbstractCegarLoop]: Abstraction has 2061 states and 2245 transitions. [2020-10-28 12:51:38,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:51:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2245 transitions. [2020-10-28 12:51:38,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2020-10-28 12:51:38,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:38,732 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:38,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:51:38,733 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:38,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:38,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1754918989, now seen corresponding path program 1 times [2020-10-28 12:51:38,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:38,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78267123] [2020-10-28 12:51:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:40,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:41,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:41,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:43,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:43,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 648 [2020-10-28 12:51:43,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 12:51:43,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 12:51:43,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:43,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:43,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:51:43,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-28 12:51:43,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-28 12:51:43,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:44,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:44,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:44,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:44,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:51:44,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:51:44,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:44,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:44,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:51:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:44,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:44,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:51:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 12:51:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:44,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:51:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:44,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:44,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:44,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:51:44,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 12:51:44,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:44,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:44,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:44,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:44,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-28 12:51:44,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:44,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:51:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:44,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:44,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:51:44,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:44,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-28 12:51:44,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:44,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:51:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:44,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-28 12:51:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:44,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:44,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:44,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:51:44,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 12:51:44,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:44,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:44,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:44,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 12:51:44,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 600 proven. 146 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2020-10-28 12:51:45,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78267123] [2020-10-28 12:51:45,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:51:45,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:51:45,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399560769] [2020-10-28 12:51:45,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:51:45,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:45,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:51:45,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:51:45,117 INFO L87 Difference]: Start difference. First operand 2061 states and 2245 transitions. Second operand 7 states. [2020-10-28 12:51:47,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:47,332 INFO L93 Difference]: Finished difference Result 4526 states and 5050 transitions. [2020-10-28 12:51:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:51:47,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 628 [2020-10-28 12:51:47,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:47,348 INFO L225 Difference]: With dead ends: 4526 [2020-10-28 12:51:47,349 INFO L226 Difference]: Without dead ends: 2837 [2020-10-28 12:51:47,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:51:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2020-10-28 12:51:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2807. [2020-10-28 12:51:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2020-10-28 12:51:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3075 transitions. [2020-10-28 12:51:47,434 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3075 transitions. Word has length 628 [2020-10-28 12:51:47,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:47,435 INFO L481 AbstractCegarLoop]: Abstraction has 2807 states and 3075 transitions. [2020-10-28 12:51:47,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:51:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3075 transitions. [2020-10-28 12:51:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2020-10-28 12:51:47,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:47,446 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:47,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:51:47,446 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:47,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:47,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1004588374, now seen corresponding path program 1 times [2020-10-28 12:51:47,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:47,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790148436] [2020-10-28 12:51:47,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:52,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:52,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 776 [2020-10-28 12:51:52,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:51:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 12:51:52,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:52,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:52,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:51:52,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-28 12:51:52,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-28 12:51:52,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:51:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:52,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:52,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:52,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:51:52,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:52,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:51:52,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:52,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:52,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:51:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:52,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:52,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:51:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 12:51:52,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:52,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:52,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:51:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:53,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:53,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:53,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:51:53,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:53,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-28 12:51:53,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:53,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:51:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:51:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 12:51:53,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:53,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:51:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:53,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:53,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:53,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:53,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:51:53,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:51:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-28 12:51:53,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:53,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:51:53,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:51:53,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-28 12:51:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:53,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 12:51:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-28 12:51:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:53,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:51:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:51:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 12:51:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:53,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-28 12:51:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:53,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:53,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:53,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:51:53,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:53,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 12:51:53,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:53,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:51:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2020-10-28 12:51:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:54,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:54,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:51:54,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:51:54,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:51:54,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:51:54,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:51:54,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:51:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:51:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 12:51:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:51:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:51:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 746 proven. 381 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2020-10-28 12:51:54,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790148436] [2020-10-28 12:51:54,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:51:54,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 12:51:54,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25374173] [2020-10-28 12:51:54,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 12:51:54,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:51:54,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 12:51:54,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 12:51:54,515 INFO L87 Difference]: Start difference. First operand 2807 states and 3075 transitions. Second operand 9 states. [2020-10-28 12:51:57,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:51:57,889 INFO L93 Difference]: Finished difference Result 5472 states and 6049 transitions. [2020-10-28 12:51:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 12:51:57,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 754 [2020-10-28 12:51:57,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:51:57,904 INFO L225 Difference]: With dead ends: 5472 [2020-10-28 12:51:57,904 INFO L226 Difference]: Without dead ends: 3037 [2020-10-28 12:51:57,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-28 12:51:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2020-10-28 12:51:57,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 2993. [2020-10-28 12:51:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2993 states. [2020-10-28 12:51:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 3267 transitions. [2020-10-28 12:51:57,995 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 3267 transitions. Word has length 754 [2020-10-28 12:51:57,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:51:57,996 INFO L481 AbstractCegarLoop]: Abstraction has 2993 states and 3267 transitions. [2020-10-28 12:51:57,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 12:51:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3267 transitions. [2020-10-28 12:51:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2020-10-28 12:51:58,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:51:58,005 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:51:58,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:51:58,006 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:51:58,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:51:58,006 INFO L82 PathProgramCache]: Analyzing trace with hash -38515752, now seen corresponding path program 1 times [2020-10-28 12:51:58,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:51:58,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243127249] [2020-10-28 12:51:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:51:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:51:58,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:58,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:58,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:51:59,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 809 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-28 12:52:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:52:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:03,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:03,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:52:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:03,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:52:03,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:03,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:52:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:03,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:52:03,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:03,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 12:52:03,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:03,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:03,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:52:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:03,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:52:03,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:03,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 12:52:03,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:03,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:03,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:52:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:03,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:52:03,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:03,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 12:52:03,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:52:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-28 12:52:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:03,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-28 12:52:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:03,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:03,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:52:03,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:03,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-28 12:52:03,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:03,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:52:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:52:03,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:04,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-28 12:52:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:04,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:04,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:04,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:52:04,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:52:04,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:04,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 12:52:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:04,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 700 proven. 73 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2020-10-28 12:52:04,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243127249] [2020-10-28 12:52:04,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:52:04,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:52:04,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398974326] [2020-10-28 12:52:04,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:52:04,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:52:04,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:52:04,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:52:04,525 INFO L87 Difference]: Start difference. First operand 2993 states and 3267 transitions. Second operand 7 states. [2020-10-28 12:52:06,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:52:06,575 INFO L93 Difference]: Finished difference Result 6390 states and 7108 transitions. [2020-10-28 12:52:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:52:06,577 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 787 [2020-10-28 12:52:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:52:06,594 INFO L225 Difference]: With dead ends: 6390 [2020-10-28 12:52:06,594 INFO L226 Difference]: Without dead ends: 3769 [2020-10-28 12:52:06,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:52:06,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2020-10-28 12:52:06,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3563. [2020-10-28 12:52:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3563 states. [2020-10-28 12:52:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 3951 transitions. [2020-10-28 12:52:06,697 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 3951 transitions. Word has length 787 [2020-10-28 12:52:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:52:06,699 INFO L481 AbstractCegarLoop]: Abstraction has 3563 states and 3951 transitions. [2020-10-28 12:52:06,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:52:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 3951 transitions. [2020-10-28 12:52:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2020-10-28 12:52:06,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:52:06,709 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:52:06,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:52:06,710 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:52:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:52:06,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1974473235, now seen corresponding path program 1 times [2020-10-28 12:52:06,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:52:06,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015873862] [2020-10-28 12:52:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:52:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:06,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:07,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:07,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:08,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:11,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:11,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 887 [2020-10-28 12:52:11,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:52:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-28 12:52:11,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:11,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:11,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:11,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-28 12:52:11,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:52:11,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:52:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:52:12,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:52:12,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:12,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:52:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:52:12,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:52:12,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:52:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:52:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:52:12,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:52:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:52:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 12:52:12,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:52:12,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-28 12:52:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-28 12:52:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:52:12,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 12:52:12,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-28 12:52:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:52:12,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-28 12:52:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:12,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:12,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 556 proven. 146 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2020-10-28 12:52:13,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015873862] [2020-10-28 12:52:13,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:52:13,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:52:13,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543299083] [2020-10-28 12:52:13,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:52:13,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:52:13,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:52:13,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:52:13,203 INFO L87 Difference]: Start difference. First operand 3563 states and 3951 transitions. Second operand 7 states. [2020-10-28 12:52:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:52:15,526 INFO L93 Difference]: Finished difference Result 8054 states and 9160 transitions. [2020-10-28 12:52:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:52:15,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 863 [2020-10-28 12:52:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:52:15,550 INFO L225 Difference]: With dead ends: 8054 [2020-10-28 12:52:15,550 INFO L226 Difference]: Without dead ends: 4863 [2020-10-28 12:52:15,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:52:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2020-10-28 12:52:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 4487. [2020-10-28 12:52:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4487 states. [2020-10-28 12:52:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 4970 transitions. [2020-10-28 12:52:15,675 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 4970 transitions. Word has length 863 [2020-10-28 12:52:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:52:15,677 INFO L481 AbstractCegarLoop]: Abstraction has 4487 states and 4970 transitions. [2020-10-28 12:52:15,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:52:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 4970 transitions. [2020-10-28 12:52:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2020-10-28 12:52:15,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:52:15,690 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:52:15,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:52:15,690 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:52:15,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:52:15,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1188907181, now seen corresponding path program 1 times [2020-10-28 12:52:15,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:52:15,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951041090] [2020-10-28 12:52:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:52:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:16,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:16,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:17,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 923 [2020-10-28 12:52:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:52:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 12:52:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:20,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-28 12:52:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:52:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:52:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:21,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:52:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:52:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:52:21,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:21,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:52:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 12:52:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:52:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-28 12:52:21,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-28 12:52:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-28 12:52:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:21,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 12:52:21,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:21,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-28 12:52:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:21,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 590 proven. 338 refuted. 0 times theorem prover too weak. 1382 trivial. 0 not checked. [2020-10-28 12:52:22,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951041090] [2020-10-28 12:52:22,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:52:22,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:52:22,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747458899] [2020-10-28 12:52:22,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:52:22,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:52:22,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:52:22,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:52:22,412 INFO L87 Difference]: Start difference. First operand 4487 states and 4970 transitions. Second operand 7 states. [2020-10-28 12:52:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:52:24,554 INFO L93 Difference]: Finished difference Result 9710 states and 10774 transitions. [2020-10-28 12:52:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:52:24,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 899 [2020-10-28 12:52:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:52:24,590 INFO L225 Difference]: With dead ends: 9710 [2020-10-28 12:52:24,590 INFO L226 Difference]: Without dead ends: 5595 [2020-10-28 12:52:24,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:52:24,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5595 states. [2020-10-28 12:52:24,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5595 to 5035. [2020-10-28 12:52:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-10-28 12:52:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 5552 transitions. [2020-10-28 12:52:24,731 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 5552 transitions. Word has length 899 [2020-10-28 12:52:24,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:52:24,732 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 5552 transitions. [2020-10-28 12:52:24,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:52:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 5552 transitions. [2020-10-28 12:52:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1040 [2020-10-28 12:52:24,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:52:24,747 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:52:24,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:52:24,748 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:52:24,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:52:24,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1070692004, now seen corresponding path program 1 times [2020-10-28 12:52:24,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:52:24,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384616275] [2020-10-28 12:52:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:52:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:24,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:25,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:29,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:29,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:29,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1065 [2020-10-28 12:52:29,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:52:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-28 12:52:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:29,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 686 [2020-10-28 12:52:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-28 12:52:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:52:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:52:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:52:30,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:30,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:52:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:30,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:52:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:52:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-28 12:52:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-28 12:52:30,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-28 12:52:30,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:52:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-28 12:52:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-28 12:52:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:30,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 12:52:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:31,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-28 12:52:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:31,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2020-10-28 12:52:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:31,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:52:31,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 12:52:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:31,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 12:52:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 961 proven. 149 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2020-10-28 12:52:31,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384616275] [2020-10-28 12:52:31,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:52:31,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:52:31,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777429924] [2020-10-28 12:52:31,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:52:31,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:52:31,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:52:31,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:52:31,712 INFO L87 Difference]: Start difference. First operand 5035 states and 5552 transitions. Second operand 7 states. [2020-10-28 12:52:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:52:34,061 INFO L93 Difference]: Finished difference Result 11564 states and 12868 transitions. [2020-10-28 12:52:34,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:52:34,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1039 [2020-10-28 12:52:34,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:52:34,089 INFO L225 Difference]: With dead ends: 11564 [2020-10-28 12:52:34,089 INFO L226 Difference]: Without dead ends: 6901 [2020-10-28 12:52:34,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:52:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6901 states. [2020-10-28 12:52:34,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6901 to 6335. [2020-10-28 12:52:34,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6335 states. [2020-10-28 12:52:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6335 states to 6335 states and 6946 transitions. [2020-10-28 12:52:34,242 INFO L78 Accepts]: Start accepts. Automaton has 6335 states and 6946 transitions. Word has length 1039 [2020-10-28 12:52:34,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:52:34,243 INFO L481 AbstractCegarLoop]: Abstraction has 6335 states and 6946 transitions. [2020-10-28 12:52:34,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:52:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6335 states and 6946 transitions. [2020-10-28 12:52:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2020-10-28 12:52:34,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:52:34,261 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:52:34,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:52:34,262 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:52:34,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:52:34,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1422689583, now seen corresponding path program 1 times [2020-10-28 12:52:34,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:52:34,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755556290] [2020-10-28 12:52:34,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:52:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:34,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:36,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1078 [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 952 [2020-10-28 12:52:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 12:52:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:39,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:52:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:39,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:39,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:52:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:39,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:39,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:52:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:39,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:52:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:39,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:52:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:39,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:39,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:39,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:52:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:39,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:52:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:40,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:40,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:52:40,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 12:52:40,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:40,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:40,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:52:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:40,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:40,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:40,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:52:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:40,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:40,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:52:40,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 12:52:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:40,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:52:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:52:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2020-10-28 12:52:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:40,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:52:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 941 proven. 2 refuted. 0 times theorem prover too weak. 2575 trivial. 0 not checked. [2020-10-28 12:52:40,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755556290] [2020-10-28 12:52:40,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:52:40,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:52:40,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872225409] [2020-10-28 12:52:40,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:52:40,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:52:40,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:52:40,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:52:40,909 INFO L87 Difference]: Start difference. First operand 6335 states and 6946 transitions. Second operand 7 states. [2020-10-28 12:52:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:52:43,386 INFO L93 Difference]: Finished difference Result 13216 states and 14636 transitions. [2020-10-28 12:52:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:52:43,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1050 [2020-10-28 12:52:43,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:52:43,407 INFO L225 Difference]: With dead ends: 13216 [2020-10-28 12:52:43,407 INFO L226 Difference]: Without dead ends: 7253 [2020-10-28 12:52:43,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:52:43,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7253 states. [2020-10-28 12:52:43,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7253 to 6875. [2020-10-28 12:52:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6875 states. [2020-10-28 12:52:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6875 states to 6875 states and 7477 transitions. [2020-10-28 12:52:43,557 INFO L78 Accepts]: Start accepts. Automaton has 6875 states and 7477 transitions. Word has length 1050 [2020-10-28 12:52:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:52:43,558 INFO L481 AbstractCegarLoop]: Abstraction has 6875 states and 7477 transitions. [2020-10-28 12:52:43,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:52:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 6875 states and 7477 transitions. [2020-10-28 12:52:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2020-10-28 12:52:43,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:52:43,581 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:52:43,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:52:43,581 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:52:43,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:52:43,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1968113857, now seen corresponding path program 1 times [2020-10-28 12:52:43,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:52:43,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464249524] [2020-10-28 12:52:43,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:52:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:43,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:44,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:45,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:48,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1179 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1138 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 12:52:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:48,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:52:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:48,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:52:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:48,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 12:52:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-28 12:52:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 12:52:49,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 12:52:49,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-28 12:52:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-28 12:52:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 12:52:49,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 12:52:49,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-28 12:52:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-28 12:52:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 12:52:49,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-28 12:52:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:52:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:49,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1037 [2020-10-28 12:52:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:52:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:52:49,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:52:49,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:52:49,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:52:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:52:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3821 backedges. 294 proven. 9 refuted. 0 times theorem prover too weak. 3518 trivial. 0 not checked. [2020-10-28 12:52:50,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464249524] [2020-10-28 12:52:50,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:52:50,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:52:50,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578479003] [2020-10-28 12:52:50,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:52:50,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:52:50,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:52:50,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:52:50,136 INFO L87 Difference]: Start difference. First operand 6875 states and 7477 transitions. Second operand 5 states. [2020-10-28 12:52:51,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:52:51,872 INFO L93 Difference]: Finished difference Result 15403 states and 16828 transitions. [2020-10-28 12:52:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:52:51,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1151 [2020-10-28 12:52:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:52:51,880 INFO L225 Difference]: With dead ends: 15403 [2020-10-28 12:52:51,880 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:52:51,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:52:51,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:52:51,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:52:51,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:52:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:52:51,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1151 [2020-10-28 12:52:51,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:52:51,908 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:52:51,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:52:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:52:51,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:52:51,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 12:52:51,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:52:52,650 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-10-28 12:52:53,779 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-10-28 12:52:55,141 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 196 DAG size of output: 51 [2020-10-28 12:52:55,269 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 28 [2020-10-28 12:52:57,086 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 267 DAG size of output: 66 [2020-10-28 12:52:58,329 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 196 DAG size of output: 51 [2020-10-28 12:52:59,136 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2020-10-28 12:52:59,141 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:52:59,141 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:52:59,141 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:52:59,141 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:52:59,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:52:59,142 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-28 12:52:59,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:52:59,142 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-28 12:52:59,142 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 12:52:59,142 INFO L270 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse1 (not (= 6 |old(~a21~0)|))) (.cse0 (not (<= |old(~a24~0)| 1))) (.cse2 (not (<= |old(~a21~0)| 9)))) (and (or .cse0 .cse1) (or .cse0 (not (= 8 |old(~a21~0)|))) (not (<= 8 |old(~a15~0)|)) (or .cse1 (not (<= (+ |old(~a12~0)| 43) 0)) (not (<= |old(~a15~0)| 5))) (or .cse0 (not (<= 0 (+ |old(~a12~0)| 41))) (not (<= |old(~a12~0)| 76))) (or .cse0 (= 6 |old(~a15~0)|)) (or .cse0 .cse2 (not (<= |old(~a12~0)| 2))) (or .cse0 (not (<= 81 |old(~a12~0)|)) .cse2))) [2020-10-28 12:52:59,142 INFO L274 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-10-28 12:52:59,142 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 12:52:59,142 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-28 12:52:59,143 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-28 12:52:59,144 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-28 12:52:59,145 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-28 12:52:59,146 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 12:52:59,147 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-28 12:52:59,148 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-28 12:52:59,149 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse3 (= ~a24~0 |old(~a24~0)|)) (.cse4 (= ~a12~0 |old(~a12~0)|)) (.cse5 (= ~a15~0 |old(~a15~0)|))) (let ((.cse6 (and .cse3 (= ~a21~0 6) .cse4 .cse5)) (.cse7 (not (= 6 |old(~a21~0)|))) (.cse0 (not (<= |old(~a24~0)| 1))) (.cse1 (not (<= |old(~a21~0)| 9))) (.cse2 (and .cse3 (= ~a21~0 |old(~a21~0)|) .cse4 .cse5))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~a12~0)| 2))) (or .cse2 (not (<= 8 |old(~a15~0)|))) (or (and .cse3 (= ~a21~0 8) .cse4 .cse5) .cse0 (not (= 8 |old(~a21~0)|))) (or .cse6 .cse7 (not (<= (+ |old(~a12~0)| 43) 0)) (not (<= |old(~a15~0)| 5))) (or .cse0 .cse6 .cse7) (or .cse0 .cse2 (not (<= 0 (+ |old(~a12~0)| 41))) (not (<= |old(~a12~0)| 76))) (or .cse0 .cse2 (= 6 |old(~a15~0)|)) (or .cse0 (not (<= 81 |old(~a12~0)|)) .cse1 .cse2)))) [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-28 12:52:59,150 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-28 12:52:59,151 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,152 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,153 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,154 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-28 12:52:59,155 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-28 12:52:59,156 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,157 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-28 12:52:59,158 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,159 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,160 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-28 12:52:59,161 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:52:59,162 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (= ~a15~0 8) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-28 12:52:59,163 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:52:59,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:52:59,163 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a24~0)| 1)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-28 12:52:59,163 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse3 (= ~a21~0 6)) (.cse1 (<= ~a21~0 9)) (.cse2 (<= ~a12~0 76)) (.cse0 (<= ~a24~0 1))) (or (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (not (<= |old(~a24~0)| 1)) (<= 8 ~a15~0) (and .cse0 .cse1 .cse2) (and .cse0 (= ~a21~0 8)) (and (<= ~a15~0 5) (<= (+ ~a12~0 43) 0) .cse3) (and .cse0 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= 81 ~a12~0) .cse1) (and (<= 0 (+ ~a12~0 41)) .cse0 .cse2) (and .cse0 (not (= ~a15~0 6))))) [2020-10-28 12:52:59,163 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-28 12:52:59,163 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-28 12:52:59,163 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-28 12:52:59,164 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse3 (= ~a21~0 6)) (.cse1 (<= ~a21~0 9)) (.cse2 (<= ~a12~0 76)) (.cse0 (<= ~a24~0 1))) (or (not (= (+ |old(~a12~0)| 49) 0)) (not (= 7 |old(~a21~0)|)) (not (<= |old(~a24~0)| 1)) (<= 8 ~a15~0) (and .cse0 .cse1 .cse2) (and .cse0 (= ~a21~0 8)) (and (<= ~a15~0 5) (<= (+ ~a12~0 43) 0) .cse3) (and .cse0 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= 81 ~a12~0) .cse1) (and (<= 0 (+ ~a12~0 41)) .cse0 .cse2) (and .cse0 (not (= ~a15~0 6))))) [2020-10-28 12:52:59,164 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-28 12:52:59,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:52:59 BoogieIcfgContainer [2020-10-28 12:52:59,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:52:59,192 INFO L168 Benchmark]: Toolchain (without parser) took 130626.81 ms. Allocated memory was 155.2 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 128.7 MB in the beginning and 818.4 MB in the end (delta: -689.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2020-10-28 12:52:59,193 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.4 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:52:59,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.94 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 129.1 MB in the end (delta: -984.5 kB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:52:59,196 INFO L168 Benchmark]: Boogie Preprocessor took 184.89 ms. Allocated memory is still 155.2 MB. Free memory was 129.1 MB in the beginning and 123.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:52:59,197 INFO L168 Benchmark]: RCFGBuilder took 1701.62 ms. Allocated memory is still 155.2 MB. Free memory was 123.7 MB in the beginning and 95.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:52:59,198 INFO L168 Benchmark]: TraceAbstraction took 127843.83 ms. Allocated memory was 155.2 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 95.1 MB in the beginning and 818.4 MB in the end (delta: -723.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-10-28 12:52:59,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.4 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 858.94 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 129.1 MB in the end (delta: -984.5 kB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 184.89 ms. Allocated memory is still 155.2 MB. Free memory was 129.1 MB in the beginning and 123.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1701.62 ms. Allocated memory is still 155.2 MB. Free memory was 123.7 MB in the beginning and 95.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 127843.83 ms. Allocated memory was 155.2 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 95.1 MB in the beginning and 818.4 MB in the end (delta: -723.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((((((((!(\old(a12) + 49 == 0) || !(7 == \old(a21))) || !(\old(a24) <= 1)) || 8 <= a15) || ((a24 <= 1 && a21 <= 9) && a12 <= 76)) || (a24 <= 1 && a21 == 8)) || ((a15 <= 5 && a12 + 43 <= 0) && a21 == 6)) || (a24 <= 1 && a21 == 6)) || !(8 == \old(a15))) || ((a24 <= 1 && 81 <= a12) && a21 <= 9)) || ((0 <= a12 + 41 && a24 <= 1) && a12 <= 76)) || (a24 <= 1 && !(a15 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 120.4s, OverallIterations: 15, TraceHistogramMax: 10, AutomataDifference: 39.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 424 SDtfs, 8606 SDslu, 538 SDs, 0 SdLazy, 17156 SolverSat, 2740 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 217 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6875occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 2526 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 519 PreInvPairs, 617 NumberOfFragments, 565 HoareAnnotationTreeSize, 519 FomulaSimplifications, 272431 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 26313 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 72.9s InterpolantComputationTime, 8679 NumberOfCodeBlocks, 8679 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 8664 ConstructedInterpolants, 0 QuantifiedInterpolants, 13354338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 19407/20817 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...