/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:39:42,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:39:42,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:39:42,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:39:42,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:39:42,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:39:42,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:39:42,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:39:42,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:39:42,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:39:42,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:39:42,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:39:42,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:39:42,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:39:42,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:39:42,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:39:42,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:39:42,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:39:42,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:39:42,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:39:42,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:39:42,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:39:42,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:39:42,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:39:42,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:39:42,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:39:42,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:39:42,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:39:42,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:39:42,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:39:42,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:39:42,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:39:42,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:39:42,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:39:42,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:39:42,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:39:42,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:39:42,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:39:42,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:39:42,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:39:42,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:39:42,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:39:42,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:39:42,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:39:42,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:39:42,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:39:42,588 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:39:42,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:39:42,588 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:39:42,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:39:42,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:39:42,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:39:42,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:39:42,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:39:42,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:39:42,590 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:39:42,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:39:42,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:39:42,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:39:42,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:39:42,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:39:42,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:39:42,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:39:42,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:42,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:39:42,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:39:42,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:39:42,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:39:42,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:39:42,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:39:42,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:39:42,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:39:43,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:39:43,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:39:43,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:39:43,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:39:43,093 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:39:43,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label29.c [2020-10-29 06:39:43,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f28660cb/1465cd23c3444494b5475525476685ee/FLAG629acdcf1 [2020-10-29 06:39:44,116 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:39:44,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label29.c [2020-10-29 06:39:44,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f28660cb/1465cd23c3444494b5475525476685ee/FLAG629acdcf1 [2020-10-29 06:39:44,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f28660cb/1465cd23c3444494b5475525476685ee [2020-10-29 06:39:44,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:39:44,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:39:44,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:44,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:39:44,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:39:44,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:44" (1/1) ... [2020-10-29 06:39:44,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3ff60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:44, skipping insertion in model container [2020-10-29 06:39:44,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:44" (1/1) ... [2020-10-29 06:39:44,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:39:44,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:39:44,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:44,903 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:39:45,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:45,093 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:39:45,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45 WrapperNode [2020-10-29 06:39:45,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:45,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:39:45,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:39:45,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:39:45,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... [2020-10-29 06:39:45,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:39:45,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:39:45,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:39:45,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:39:45,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:39:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:39:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:39:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:39:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:39:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:39:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:39:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:39:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:39:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:39:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:39:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:39:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:39:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:39:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:39:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:39:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:39:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:39:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:39:47,088 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:39:47,090 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:39:47,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:47 BoogieIcfgContainer [2020-10-29 06:39:47,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:39:47,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:39:47,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:39:47,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:39:47,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:39:44" (1/3) ... [2020-10-29 06:39:47,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5210aebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:47, skipping insertion in model container [2020-10-29 06:39:47,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:45" (2/3) ... [2020-10-29 06:39:47,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5210aebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:47, skipping insertion in model container [2020-10-29 06:39:47,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:47" (3/3) ... [2020-10-29 06:39:47,107 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label29.c [2020-10-29 06:39:47,122 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:39:47,129 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:39:47,145 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:39:47,194 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:39:47,195 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:39:47,195 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:39:47,195 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:39:47,195 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:39:47,196 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:39:47,196 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:39:47,196 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:39:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:39:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-29 06:39:47,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:47,243 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] [2020-10-29 06:39:47,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:47,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:47,257 INFO L82 PathProgramCache]: Analyzing trace with hash -189227420, now seen corresponding path program 1 times [2020-10-29 06:39:47,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:47,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465000492] [2020-10-29 06:39:47,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:47,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:48,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:48,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 06:39:48,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:48,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-29 06:39:48,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:48,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 06:39:48,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 06:39:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:48,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:48,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:48,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 06:39:48,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:48,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:48,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465000492] [2020-10-29 06:39:48,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:48,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:39:48,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43595137] [2020-10-29 06:39:48,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:39:48,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:48,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:39:48,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:39:48,270 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-29 06:39:50,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:50,363 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-29 06:39:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:39:50,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-29 06:39:50,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:50,396 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:39:50,396 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:39:50,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:39:50,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-29 06:39:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-29 06:39:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-29 06:39:50,514 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 22 [2020-10-29 06:39:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:50,515 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-29 06:39:50,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:39:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-29 06:39:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 06:39:50,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:50,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:50,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:39:50,521 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:50,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:50,522 INFO L82 PathProgramCache]: Analyzing trace with hash -333811260, now seen corresponding path program 1 times [2020-10-29 06:39:50,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:50,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188839070] [2020-10-29 06:39:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:50,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:50,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:51,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:51,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:51,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 06:39:51,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1213 [2020-10-29 06:39:51,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:51,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:39:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:51,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:51,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:51,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:51,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:51,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:39:51,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:51,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:39:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:51,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:52,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:39:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 06:39:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:52,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:39:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:52,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188839070] [2020-10-29 06:39:52,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:52,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:39:52,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79751685] [2020-10-29 06:39:52,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:52,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:52,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:52,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:52,204 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-29 06:39:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:54,429 INFO L93 Difference]: Finished difference Result 914 states and 1340 transitions. [2020-10-29 06:39:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:39:54,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-29 06:39:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:54,436 INFO L225 Difference]: With dead ends: 914 [2020-10-29 06:39:54,436 INFO L226 Difference]: Without dead ends: 623 [2020-10-29 06:39:54,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:54,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-10-29 06:39:54,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 597. [2020-10-29 06:39:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-29 06:39:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 767 transitions. [2020-10-29 06:39:54,509 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 767 transitions. Word has length 94 [2020-10-29 06:39:54,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:54,510 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 767 transitions. [2020-10-29 06:39:54,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 767 transitions. [2020-10-29 06:39:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-29 06:39:54,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:54,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:54,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:39:54,513 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:54,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:54,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1489733768, now seen corresponding path program 1 times [2020-10-29 06:39:54,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:54,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357251212] [2020-10-29 06:39:54,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:54,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:54,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:54,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 06:39:54,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:54,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-29 06:39:54,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:54,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:39:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 06:39:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:54,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:54,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:54,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:54,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:39:54,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:54,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:55,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:55,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:55,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:55,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:39:55,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 06:39:55,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:55,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:39:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:55,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357251212] [2020-10-29 06:39:55,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:55,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:39:55,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549988950] [2020-10-29 06:39:55,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:39:55,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:55,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:39:55,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:55,176 INFO L87 Difference]: Start difference. First operand 597 states and 767 transitions. Second operand 5 states. [2020-10-29 06:39:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:56,964 INFO L93 Difference]: Finished difference Result 1486 states and 2000 transitions. [2020-10-29 06:39:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:39:56,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-10-29 06:39:56,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:56,976 INFO L225 Difference]: With dead ends: 1486 [2020-10-29 06:39:56,976 INFO L226 Difference]: Without dead ends: 895 [2020-10-29 06:39:56,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-10-29 06:39:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 891. [2020-10-29 06:39:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-10-29 06:39:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1156 transitions. [2020-10-29 06:39:57,038 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1156 transitions. Word has length 101 [2020-10-29 06:39:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:57,039 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 1156 transitions. [2020-10-29 06:39:57,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:39:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1156 transitions. [2020-10-29 06:39:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-29 06:39:57,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:57,056 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:57,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:39:57,056 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:57,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:57,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1296271856, now seen corresponding path program 1 times [2020-10-29 06:39:57,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:57,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626771292] [2020-10-29 06:39:57,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:57,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:57,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:57,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-29 06:39:58,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:58,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1498 [2020-10-29 06:39:58,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:39:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:39:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:58,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:58,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:58,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:58,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:39:58,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:58,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:58,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:39:58,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 06:39:58,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:39:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:58,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:39:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:58,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:59,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:59,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:39:59,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 06:39:59,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:59,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:39:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:59,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626771292] [2020-10-29 06:39:59,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:59,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:59,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961678886] [2020-10-29 06:39:59,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:59,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:59,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:59,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:59,120 INFO L87 Difference]: Start difference. First operand 891 states and 1156 transitions. Second operand 7 states. [2020-10-29 06:40:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:01,250 INFO L93 Difference]: Finished difference Result 2100 states and 2752 transitions. [2020-10-29 06:40:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:01,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-10-29 06:40:01,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:01,262 INFO L225 Difference]: With dead ends: 2100 [2020-10-29 06:40:01,262 INFO L226 Difference]: Without dead ends: 919 [2020-10-29 06:40:01,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:01,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2020-10-29 06:40:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 899. [2020-10-29 06:40:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-10-29 06:40:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1054 transitions. [2020-10-29 06:40:01,319 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1054 transitions. Word has length 174 [2020-10-29 06:40:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:01,321 INFO L481 AbstractCegarLoop]: Abstraction has 899 states and 1054 transitions. [2020-10-29 06:40:01,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1054 transitions. [2020-10-29 06:40:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-29 06:40:01,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:01,327 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:01,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:40:01,327 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:01,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:01,328 INFO L82 PathProgramCache]: Analyzing trace with hash 832904196, now seen corresponding path program 1 times [2020-10-29 06:40:01,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:01,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205930289] [2020-10-29 06:40:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:01,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:01,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:02,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:02,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-29 06:40:02,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1400 [2020-10-29 06:40:02,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:02,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:40:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:40:02,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:02,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:02,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:02,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:02,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:02,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:02,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:02,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:02,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:02,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:02,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:40:02,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:02,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:40:02,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:02,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:02,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:40:02,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:40:02,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:40:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:03,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:03,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:40:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 06:40:03,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:03,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:03,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205930289] [2020-10-29 06:40:03,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:03,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:03,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658855960] [2020-10-29 06:40:03,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:03,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:03,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:03,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:03,233 INFO L87 Difference]: Start difference. First operand 899 states and 1054 transitions. Second operand 7 states. [2020-10-29 06:40:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:05,137 INFO L93 Difference]: Finished difference Result 2122 states and 2516 transitions. [2020-10-29 06:40:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:05,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-29 06:40:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:05,149 INFO L225 Difference]: With dead ends: 2122 [2020-10-29 06:40:05,149 INFO L226 Difference]: Without dead ends: 1229 [2020-10-29 06:40:05,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-10-29 06:40:05,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1052. [2020-10-29 06:40:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-29 06:40:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1250 transitions. [2020-10-29 06:40:05,206 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1250 transitions. Word has length 182 [2020-10-29 06:40:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:05,207 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1250 transitions. [2020-10-29 06:40:05,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1250 transitions. [2020-10-29 06:40:05,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-29 06:40:05,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:05,212 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 06:40:05,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:40:05,213 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:05,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:05,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1184220600, now seen corresponding path program 1 times [2020-10-29 06:40:05,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:05,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301634121] [2020-10-29 06:40:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:05,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:05,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:06,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:06,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-29 06:40:09,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:40:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3994 [2020-10-29 06:40:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:40:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:40:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:09,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:09,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:09,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:40:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 06:40:09,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:40:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:40:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:09,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:40:09,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:09,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 06:40:09,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:09,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:09,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301634121] [2020-10-29 06:40:09,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:09,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:09,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581535303] [2020-10-29 06:40:09,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:09,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:09,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:09,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:09,770 INFO L87 Difference]: Start difference. First operand 1052 states and 1250 transitions. Second operand 7 states. [2020-10-29 06:40:11,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:11,431 INFO L93 Difference]: Finished difference Result 2420 states and 2904 transitions. [2020-10-29 06:40:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:11,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-29 06:40:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:11,441 INFO L225 Difference]: With dead ends: 2420 [2020-10-29 06:40:11,441 INFO L226 Difference]: Without dead ends: 1374 [2020-10-29 06:40:11,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-10-29 06:40:11,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1207. [2020-10-29 06:40:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-29 06:40:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1462 transitions. [2020-10-29 06:40:11,506 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1462 transitions. Word has length 189 [2020-10-29 06:40:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:11,507 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1462 transitions. [2020-10-29 06:40:11,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1462 transitions. [2020-10-29 06:40:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 06:40:11,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:11,512 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:11,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:40:11,512 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:11,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:11,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1056784440, now seen corresponding path program 1 times [2020-10-29 06:40:11,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:11,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020382575] [2020-10-29 06:40:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:11,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:11,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:11,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-29 06:40:11,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-29 06:40:11,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:11,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:40:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:40:11,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:12,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:12,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 06:40:12,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:12,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:40:12,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:12,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:12,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:12,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:12,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:40:12,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:12,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 06:40:12,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:12,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:40:12,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:40:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:12,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:12,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:12,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 06:40:12,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:12,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 06:40:12,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:12,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-29 06:40:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 28 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:40:12,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020382575] [2020-10-29 06:40:12,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:12,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:12,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215901858] [2020-10-29 06:40:12,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:12,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:12,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:12,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:12,738 INFO L87 Difference]: Start difference. First operand 1207 states and 1462 transitions. Second operand 7 states. [2020-10-29 06:40:14,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:14,573 INFO L93 Difference]: Finished difference Result 2714 states and 3270 transitions. [2020-10-29 06:40:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:14,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-29 06:40:14,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:14,584 INFO L225 Difference]: With dead ends: 2714 [2020-10-29 06:40:14,584 INFO L226 Difference]: Without dead ends: 1513 [2020-10-29 06:40:14,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:14,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2020-10-29 06:40:14,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1499. [2020-10-29 06:40:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2020-10-29 06:40:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1777 transitions. [2020-10-29 06:40:14,650 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1777 transitions. Word has length 197 [2020-10-29 06:40:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:14,651 INFO L481 AbstractCegarLoop]: Abstraction has 1499 states and 1777 transitions. [2020-10-29 06:40:14,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1777 transitions. [2020-10-29 06:40:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-29 06:40:14,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:14,657 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:14,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:40:14,657 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:14,658 INFO L82 PathProgramCache]: Analyzing trace with hash 264645928, now seen corresponding path program 1 times [2020-10-29 06:40:14,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:14,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522868297] [2020-10-29 06:40:14,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:14,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:15,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:15,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:15,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-29 06:40:15,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-10-29 06:40:15,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:15,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:40:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-29 06:40:15,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:15,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:15,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:15,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:15,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:40:15,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:15,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:15,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:15,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:15,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:40:15,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:15,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:40:15,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:15,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:40:15,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:40:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:16,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:16,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:40:16,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:16,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-29 06:40:16,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:16,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:16,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-29 06:40:16,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:16,312 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:16,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522868297] [2020-10-29 06:40:16,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:16,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:16,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374796047] [2020-10-29 06:40:16,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:16,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:16,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:16,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:16,317 INFO L87 Difference]: Start difference. First operand 1499 states and 1777 transitions. Second operand 7 states. [2020-10-29 06:40:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:18,195 INFO L93 Difference]: Finished difference Result 3014 states and 3574 transitions. [2020-10-29 06:40:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:40:18,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-29 06:40:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:18,206 INFO L225 Difference]: With dead ends: 3014 [2020-10-29 06:40:18,206 INFO L226 Difference]: Without dead ends: 1664 [2020-10-29 06:40:18,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-10-29 06:40:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1501. [2020-10-29 06:40:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1501 states. [2020-10-29 06:40:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 1752 transitions. [2020-10-29 06:40:18,260 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 1752 transitions. Word has length 228 [2020-10-29 06:40:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:18,261 INFO L481 AbstractCegarLoop]: Abstraction has 1501 states and 1752 transitions. [2020-10-29 06:40:18,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1752 transitions. [2020-10-29 06:40:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-29 06:40:18,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:18,268 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 06:40:18,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:40:18,268 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:18,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:18,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1493701344, now seen corresponding path program 1 times [2020-10-29 06:40:18,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:18,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824697656] [2020-10-29 06:40:18,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-29 06:40:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1805 [2020-10-29 06:40:20,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:20,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-29 06:40:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:20,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:20,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:20,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:20,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:20,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:20,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:20,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:20,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:20,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:20,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:20,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:20,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 06:40:20,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:20,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:20,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:20,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:20,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:20,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-29 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-29 06:40:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:20,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824697656] [2020-10-29 06:40:20,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:20,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:20,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410962799] [2020-10-29 06:40:20,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:20,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:20,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:20,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:20,905 INFO L87 Difference]: Start difference. First operand 1501 states and 1752 transitions. Second operand 7 states. [2020-10-29 06:40:23,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:23,084 INFO L93 Difference]: Finished difference Result 3614 states and 4299 transitions. [2020-10-29 06:40:23,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:23,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-10-29 06:40:23,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:23,099 INFO L225 Difference]: With dead ends: 3614 [2020-10-29 06:40:23,099 INFO L226 Difference]: Without dead ends: 2117 [2020-10-29 06:40:23,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2020-10-29 06:40:23,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 2103. [2020-10-29 06:40:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2103 states. [2020-10-29 06:40:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2449 transitions. [2020-10-29 06:40:23,167 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2449 transitions. Word has length 273 [2020-10-29 06:40:23,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:23,168 INFO L481 AbstractCegarLoop]: Abstraction has 2103 states and 2449 transitions. [2020-10-29 06:40:23,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2449 transitions. [2020-10-29 06:40:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-29 06:40:23,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:23,175 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 06:40:23,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:40:23,176 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:23,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:23,176 INFO L82 PathProgramCache]: Analyzing trace with hash -449595728, now seen corresponding path program 1 times [2020-10-29 06:40:23,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:23,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444651799] [2020-10-29 06:40:23,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:23,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:23,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-29 06:40:23,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:23,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-29 06:40:23,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:23,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 268 [2020-10-29 06:40:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 06:40:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:23,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:23,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:23,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:23,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:23,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:23,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:23,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:23,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:23,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:23,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:23,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 06:40:23,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:23,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:23,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:23,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 06:40:24,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 06:40:24,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-29 06:40:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 06:40:24,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444651799] [2020-10-29 06:40:24,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:24,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:24,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710482871] [2020-10-29 06:40:24,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:24,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:24,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:24,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:24,161 INFO L87 Difference]: Start difference. First operand 2103 states and 2449 transitions. Second operand 5 states. [2020-10-29 06:40:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:25,952 INFO L93 Difference]: Finished difference Result 4208 states and 4894 transitions. [2020-10-29 06:40:25,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:25,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-10-29 06:40:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:25,964 INFO L225 Difference]: With dead ends: 4208 [2020-10-29 06:40:25,964 INFO L226 Difference]: Without dead ends: 2103 [2020-10-29 06:40:25,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:25,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2020-10-29 06:40:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 2097. [2020-10-29 06:40:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2097 states. [2020-10-29 06:40:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 2376 transitions. [2020-10-29 06:40:26,038 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 2376 transitions. Word has length 278 [2020-10-29 06:40:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:26,039 INFO L481 AbstractCegarLoop]: Abstraction has 2097 states and 2376 transitions. [2020-10-29 06:40:26,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:40:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2376 transitions. [2020-10-29 06:40:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-29 06:40:26,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:26,047 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 06:40:26,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:40:26,048 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1316704296, now seen corresponding path program 1 times [2020-10-29 06:40:26,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:26,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612899442] [2020-10-29 06:40:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:26,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:26,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:28,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-29 06:40:30,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4392 [2020-10-29 06:40:30,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:40:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:30,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:30,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:30,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:30,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:30,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:30,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 06:40:30,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:40:30,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 06:40:30,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:40:30,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 06:40:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:31,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:40:31,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 06:40:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:31,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:40:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 181 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 06:40:31,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612899442] [2020-10-29 06:40:31,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:31,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:40:31,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231790245] [2020-10-29 06:40:31,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:40:31,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:31,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:40:31,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:31,381 INFO L87 Difference]: Start difference. First operand 2097 states and 2376 transitions. Second operand 8 states. [2020-10-29 06:40:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:33,464 INFO L93 Difference]: Finished difference Result 4349 states and 4939 transitions. [2020-10-29 06:40:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:40:33,468 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 282 [2020-10-29 06:40:33,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:33,479 INFO L225 Difference]: With dead ends: 4349 [2020-10-29 06:40:33,479 INFO L226 Difference]: Without dead ends: 2401 [2020-10-29 06:40:33,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:40:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2020-10-29 06:40:33,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2389. [2020-10-29 06:40:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2389 states. [2020-10-29 06:40:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 2687 transitions. [2020-10-29 06:40:33,551 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 2687 transitions. Word has length 282 [2020-10-29 06:40:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:33,551 INFO L481 AbstractCegarLoop]: Abstraction has 2389 states and 2687 transitions. [2020-10-29 06:40:33,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:40:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2687 transitions. [2020-10-29 06:40:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-29 06:40:33,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:33,560 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:40:33,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:40:33,561 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:33,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:33,561 INFO L82 PathProgramCache]: Analyzing trace with hash -696807848, now seen corresponding path program 1 times [2020-10-29 06:40:33,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:33,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401041217] [2020-10-29 06:40:33,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:34,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-29 06:40:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1583 [2020-10-29 06:40:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:40:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:40:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:35,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:35,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 06:40:35,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:40:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 06:40:35,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:40:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:40:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:40:35,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 06:40:35,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:40:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 06:40:35,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401041217] [2020-10-29 06:40:35,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:35,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:35,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930493501] [2020-10-29 06:40:35,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:35,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:35,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:35,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:35,875 INFO L87 Difference]: Start difference. First operand 2389 states and 2687 transitions. Second operand 7 states. [2020-10-29 06:40:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:38,155 INFO L93 Difference]: Finished difference Result 5365 states and 6135 transitions. [2020-10-29 06:40:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:38,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 295 [2020-10-29 06:40:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:38,171 INFO L225 Difference]: With dead ends: 5365 [2020-10-29 06:40:38,172 INFO L226 Difference]: Without dead ends: 3125 [2020-10-29 06:40:38,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2020-10-29 06:40:38,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 2975. [2020-10-29 06:40:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2975 states. [2020-10-29 06:40:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 3345 transitions. [2020-10-29 06:40:38,267 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 3345 transitions. Word has length 295 [2020-10-29 06:40:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:38,268 INFO L481 AbstractCegarLoop]: Abstraction has 2975 states and 3345 transitions. [2020-10-29 06:40:38,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3345 transitions. [2020-10-29 06:40:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-29 06:40:38,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:38,276 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:38,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:40:38,277 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:38,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:38,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1618502156, now seen corresponding path program 1 times [2020-10-29 06:40:38,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:38,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991071028] [2020-10-29 06:40:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-29 06:40:38,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:38,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-29 06:40:38,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:38,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-29 06:40:38,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 06:40:38,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:38,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:38,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:38,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:40:38,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:38,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:38,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:40:39,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:39,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:40:39,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:40:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:39,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:40:39,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:39,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-10-29 06:40:39,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991071028] [2020-10-29 06:40:39,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:39,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:40:39,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354644955] [2020-10-29 06:40:39,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:40:39,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:39,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:40:39,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:39,333 INFO L87 Difference]: Start difference. First operand 2975 states and 3345 transitions. Second operand 6 states. [2020-10-29 06:40:41,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:41,226 INFO L93 Difference]: Finished difference Result 3266 states and 3637 transitions. [2020-10-29 06:40:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:40:41,226 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 295 [2020-10-29 06:40:41,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:41,238 INFO L225 Difference]: With dead ends: 3266 [2020-10-29 06:40:41,238 INFO L226 Difference]: Without dead ends: 2969 [2020-10-29 06:40:41,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:41,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-10-29 06:40:41,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2967. [2020-10-29 06:40:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2967 states. [2020-10-29 06:40:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3317 transitions. [2020-10-29 06:40:41,318 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3317 transitions. Word has length 295 [2020-10-29 06:40:41,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:41,319 INFO L481 AbstractCegarLoop]: Abstraction has 2967 states and 3317 transitions. [2020-10-29 06:40:41,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:40:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3317 transitions. [2020-10-29 06:40:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-29 06:40:41,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:41,330 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:41,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:40:41,330 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:41,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:41,331 INFO L82 PathProgramCache]: Analyzing trace with hash -971719596, now seen corresponding path program 1 times [2020-10-29 06:40:41,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:41,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995949681] [2020-10-29 06:40:41,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 06:40:41,403 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 06:40:41,403 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 06:40:41,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:40:41,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:40:41 BoogieIcfgContainer [2020-10-29 06:40:41,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:40:41,459 INFO L168 Benchmark]: Toolchain (without parser) took 57152.05 ms. Allocated memory was 151.0 MB in the beginning and 846.2 MB in the end (delta: 695.2 MB). Free memory was 125.1 MB in the beginning and 679.4 MB in the end (delta: -554.2 MB). Peak memory consumption was 141.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:41,459 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:40:41,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 97.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:41,461 INFO L168 Benchmark]: Boogie Preprocessor took 139.06 ms. Allocated memory is still 151.0 MB. Free memory was 97.7 MB in the beginning and 93.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:41,461 INFO L168 Benchmark]: RCFGBuilder took 1857.97 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 93.1 MB in the beginning and 153.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:41,462 INFO L168 Benchmark]: TraceAbstraction took 54358.24 ms. Allocated memory was 187.7 MB in the beginning and 846.2 MB in the end (delta: 658.5 MB). Free memory was 152.9 MB in the beginning and 679.4 MB in the end (delta: -526.4 MB). Peak memory consumption was 131.5 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:41,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 782.26 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 97.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.06 ms. Allocated memory is still 151.0 MB. Free memory was 97.7 MB in the beginning and 93.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1857.97 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 93.1 MB in the beginning and 153.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54358.24 ms. Allocated memory was 187.7 MB in the beginning and 846.2 MB in the end (delta: 658.5 MB). Free memory was 152.9 MB in the beginning and 679.4 MB in the end (delta: -526.4 MB). Peak memory consumption was 131.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputC = 3; [L10] int inputD = 4; [L11] int inputE = 5; [L12] int inputF = 6; [L13] int inputB = 2; [L16] int a1 = 23; [L17] int a19 = 9; [L18] int a10 = 0; [L19] int a12 = 0; [L20] int a4 = 14; [L581] int output = -1; [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L467] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L473] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L478] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L483] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L489] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L495] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L501] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L506] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L511] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L516] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L519] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L525] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L528] COND TRUE ((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0))))) [L529] a1 = (((a1 * 5) + 278443) - -239546) [L530] return 26; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND TRUE (((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0)) [L247] a1 = (((((a1 % 25)- -13) - 42605) / 5) - -8517) [L248] a10 = 3 [L250] return 26; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND TRUE (((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14)) [L348] a1 = ((((a1 - 287698) - 189392) % 89)+ 206) [L349] a10 = 2 [L350] a19 = 7 [L352] return -1; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND TRUE (((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7)) [L51] CALL reach_error() [L4] __assert_fail("0", "Problem10_label29.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.2s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 357 SDtfs, 5550 SDslu, 448 SDs, 0 SdLazy, 11461 SolverSat, 1463 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2975occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 761 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.1s InterpolantComputationTime, 2941 NumberOfCodeBlocks, 2941 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2597 ConstructedInterpolants, 0 QuantifiedInterpolants, 1696697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1357/1517 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 incorrect! Received shutdown request...